Adding missing source files

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diff --git a/releases/_posts/2015-04-17-spark-release-1-2-2.md b/releases/_posts/2015-04-17-spark-release-1-2-2.md
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+---
+layout: post
+title: Spark Release 1.2.2
+categories: []
+tags: []
+status: publish
+type: post
+published: true
+meta:
+  _edit_last: '4'
+  _wpas_done_all: '1'
+---
+
+Spark 1.2.2 is a maintenance release containing stability fixes. This release is based on the [branch-1.2](https://github.com/apache/spark/tree/branch-1.2) maintenance branch of Spark. We recommend all 1.2.1 users to upgrade to this stable release. Contributions to this release came from 39 developers.
+
+To download Spark 1.2.2 visit the <a href="{{site.url}}downloads.html">downloads</a> page.
+
+### Fixes
+Spark 1.2.2 contains bug fixes in several components. Some of the more important fixes are highlighted below. You can visit the [Spark issue tracker](https://issues.apache.org/jira/issues/?jql=project%20%3D%20SPARK%20AND%20fixVersion%20%3D%201.2.2%20ORDER%20BY%20priority%2C%20component) for the full list of fixes.
+
+
+#### Spark Core
+ * Thread safety problem in Netty shuffle ([SPARK-6578](http://issues.apache.org/jira/browse/SPARK-6578))
+ * Memory leak in JobProgressListener ([SPARK-5967](http://issues.apache.org/jira/browse/SPARK-5967))
+ * Unable to launch on YARN 2.5.0 and later ([SPARK-4267](http://issues.apache.org/jira/browse/SPARK-4267))
+ * YARN auxiliary shuffle issue in secure mode ([SPARK-5655](http://issues.apache.org/jira/browse/SPARK-5655))
+
+#### PySpark
+ * Jobs hang during `collect` operation ([SPARK-6667](http://issues.apache.org/jira/browse/SPARK-6667))
+ * Zip fails with serializer error ([SPARK-5973](http://issues.apache.org/jira/browse/SPARK-5973))
+ * Memory leak using Spark SQL with PySpark ([SPARK-6055](http://issues.apache.org/jira/browse/SPARK-6055))
+ * Hanging when using large broadcast variables ([SPARK-5363](http://issues.apache.org/jira/browse/SPARK-5363))
+
+### Contributors
+The following developers contributed to this release:
+
+ * Andrew Or -- Bug fixes in Core and YARN
+ * Andrew Rowson -- Bug fixes in YARN
+ * Anselme Vignon -- Bug fixes in SQL
+ * Brennon York -- Bug fixes in GraphX
+ * Cheng Hao -- Bug fixes in Core
+ * Cheolsoo Park -- Bug fixes in YARN
+ * Davies Liu -- Improvements in PySpark; bug fixes in Streaming, Core, SQL, and PySpark; documentation in Core and PySpark
+ * Emre Sevinc -- Documentation in Core and MLlib; improvement in Core
+ * Gen TANG -- Bug fixes in EC2
+ * Hari Shreedharan -- Bug fixes in Streaming
+ * Hung Lin -- Bug fixes in scheduler
+ * Iulian Dragos -- Test in Streaming
+ * Jacek Lewandowski -- Bug fixes in Core
+ * Jesper Lundgren -- Bug fixes in Streaming
+ * Josh Rosen -- Bug fixes in Java API, Streaming, tests, and Core
+ * Kashish Jain -- Bug fixes in YARN
+ * Kay Ousterhout -- Bug fixes in Core and SQL
+ * Kousuke Saruta -- Improvements in Streaming and tests
+ * Li Zhihui -- Documentation in Core
+ * Manoj Kumar -- Improvements in MLlib
+ * Matt Cheah -- Bug fixes in Core
+ * Michael Nazario -- Bug fixes in PySpark
+ * Mingyu Kim -- Bug fixes in Core
+ * Nathan McCarthy -- Bug fixes in Core
+ * Nicholas Chammas -- Bug fixes in EC2
+ * Peng Xu -- Documentation in Core
+ * Reynold Xin -- Bug fixes in Core
+ * Ryan Williams -- Improvements in Core
+ * Sean Owen -- Improvements in EC2; bug fixes in Core, tests, YARN, Streaming, scheduler, and Web UI
+ * Shixiong Zhu -- Improvements in Shuffle
+ * Tathagata Das -- Bug fixes in Streaming and Web UI
+ * Venkata Ramana Gollamudi -- Improvement in Core
+ * Vladimir Grigor -- Bug fixes in EC2
+ * Wang Tao -- Bug fixes in Core
+ * Winston Chen -- Bug fixes in PySpark
+ * Yin Huai -- Bug fixes in SQL
+ * Yuhao Yang -- Bug fixes in MLlib
+ * Zhan Zhang -- Bug fixes in Core
+ * Zhang, Liye -- Bug fixes in Core
+
+_Thanks to everyone who contributed!_
+
diff --git a/releases/_posts/2015-04-17-spark-release-1-3-1.md b/releases/_posts/2015-04-17-spark-release-1-3-1.md
new file mode 100644
index 000000000..dc7c5d423
--- /dev/null
+++ b/releases/_posts/2015-04-17-spark-release-1-3-1.md
@@ -0,0 +1,105 @@
+---
+layout: post
+title: Spark Release 1.3.1
+categories: []
+tags: []
+status: publish
+type: post
+published: true
+meta:
+  _edit_last: '4'
+  _wpas_done_all: '1'
+---
+
+Spark 1.3.1 is a maintenance release containing stability fixes. This release is based on the [branch-1.3](https://github.com/apache/spark/tree/branch-1.3) maintenance branch of Spark. We recommend all 1.3.0 users to upgrade to this stable release. Contributions to this release came from 60 developers.
+
+To download Spark 1.3.1 visit the <a href="{{site.url}}downloads.html">downloads</a> page.
+
+### Fixes
+Spark 1.3.1 contains several bug fixes in Spark SQL and assorted fixes in other components. Some of the more important fixes are highlighted below. You can visit the [Spark issue tracker](https://issues.apache.org/jira/issues/?jql=project%20%3D%20SPARK%20AND%20fixVersion%20%3D%201.3.1%20ORDER%20BY%20priority%2C%20component) for the full list of fixes.
+
+#### Spark SQL
+ * Unable to use reserved words in DDL ([SPARK-6250](http://issues.apache.org/jira/browse/SPARK-6250))
+ * Parquet no longer caches metadata ([SPARK-6575](http://issues.apache.org/jira/browse/SPARK-6575)) 
+ * Bug when joining two Parquet tables ([SPARK-6851](http://issues.apache.org/jira/browse/SPARK-6851))
+ * Unable to read parquet data generated by Spark 1.1.1 ([SPARK-6315](http://issues.apache.org/jira/browse/SPARK-6315)) 
+ * Parquet data source may use wrong Hadoop FileSystem ([SPARK-6330](http://issues.apache.org/jira/browse/SPARK-6330)) 
+
+#### Spark Streaming
+ * Potential for data loss during WAL recovery ([SPARK-6222](http://issues.apache.org/jira/browse/SPARK-6222))
+
+#### PySpark
+ * Potential program hang when calling collect ([SPARK-6667](http://issues.apache.org/jira/browse/SPARK-6667))
+
+#### Spark Core
+ * Thread safety issue in Netty shuffle ([SPARK-6578](http://issues.apache.org/jira/browse/SPARK-6578))
+ * Memory leak in output committer map ([SPARK-6737](http://issues.apache.org/jira/browse/SPARK-6737))
+ * Unable to perform fetch file when local directories run NFS ([SPARK-6313](http://issues.apache.org/jira/browse/SPARK-6313))
+ * NPE when cancelling and using mix of job groups ([SPARK-6414](http://issues.apache.org/jira/browse/SPARK-6414))
+
+### Contributors
+The following developers contributed to this release:
+
+ * Adam Budde -- Bug fixes in SQL
+ * Andrew Or -- Bug fixes in Core
+ * Andrey Zagrebin -- Improvement in SQL
+ * Bill Chambers -- Documentation in Core
+ * Cheng Lian -- Bug fixes and improvement in SQL
+ * Chet Mancini -- Improvements in Core and SQL
+ * Christophe Preaud -- Documentation in Core and YARN
+ * Daoyuan Wang -- New features in SQL
+ * Davies Liu -- Improvements in PySpark and SQL; bug fixes in tests, PySpark, and SQL; improvement in SQL
+ * Dean Chen -- Bug fixes in Core
+ * Doing Done -- Bug fixes in Core and SQL
+ * Hung Lin -- Bug fixes in scheduler
+ * Ilya Ganelin -- Improvements in Core
+ * Imran Rashid -- Bug fixes in Core
+ * Iulian Dragos -- Bug fixes in Core
+ * Jayson Sunshine -- Documentation in Core
+ * Jeremy Freeman -- Bug fixes in Streaming and MLlib
+ * Jongyoul Lee -- Improvements in Mesos; bug fixes in Core
+ * Joseph K. Bradley -- Documentation in PySpark, Streaming, SQL, MLlib, and Core
+ * Josh Rosen -- Improvements in Core; bug fixes in Java API, Core, scheduler, and Streaming
+ * Kai Sasaki -- Documentation in Core and MLlib; bug fixes in MLlib and PySpark
+ * Kalle Jepsen -- Improvements in PySpark
+ * Kamil Smuga -- Bug fixes in Core and PySpark
+ * Kay Ousterhout -- Bug fixes in Core, tests, and Web UI
+ * Kevin (Sangwoo) Kim -- Bug fixes in Core
+ * Kousuke Saruta -- Improvements in Streaming and tests
+ * Lev Khomich -- Improvements in Core
+ * Liang-Chi Hsieh -- Bug fixes in SQL
+ * Liangliang Gu -- Bug fixes in spark submit
+ * Lomig Megard -- Documentation in Core
+ * Marcelo Vanzin -- Bug fixes in Core and YARN
+ * Matt Aasted -- Bug fixes in EC2
+ * Michael Armbrust -- Improvements in SQL; documentation in Core; bug fixes in SQL; improvement in Core and SQL
+ * Michael Griffiths -- Bug fixes in Windows and Core
+ * Milan Straka -- Bug fixes in PySpark
+ * Nan Zhu -- Bug fixes in Core and SQL
+ * Nathan McCarthy -- Bug fixes in Core
+ * Pei-Lun Lee -- Bug fixes in SQL
+ * Peter Parente -- Improvements in Core
+ * Peter Rudenko -- Documentation in Core
+ * Reynold Xin -- Improvements in Core; documentation in Core; bug fixes in Core; improvement in SQL
+ * Sean Owen -- Bug fixes in Core, tests, and SQL
+ * Shixiong Zhu -- Bug fixes in Core
+ * Tathagata Das -- Improvements in Core and Streaming; bug fixes in Streaming
+ * Thomas Graves -- Bug fixes in Core
+ * Tijo Thomas -- Bug fixes in Core and SQL
+ * Venkata Ramana Gollamudi -- Bug fixes in SQL
+ * Vinod KC -- Bug fixes in Core and SQL
+ * Volodymyr Lyubinets -- Improvements and bug fixes in SQL
+ * Xiangrui Meng -- New features in MLlib and PySpark; bug fixes in PySpark, MLlib, and SQL; documentation in Core and MLlib
+ * Yadong Qi -- Improvements in SQL
+ * Yanbo Liang -- Bug fixes in MLlib and SQL
+ * Yash Datta -- Improvements in SQL
+ * Yin Huai -- Improvements and bug fixes in SQL
+ * Yp Cat -- Bug fixes in SQL
+ * Yu ISHIKAWA -- Improvements in MLlib
+ * Yuri Saito -- Bug fixes in SQL
+ * Zhang, Liye -- Bug fixes in Core and Web UI
+ * Zhichao Li -- Bug fixes in Streaming and Web UI
+ * Zhichao Zhang -- Documentation in Core
+
+_Thanks to everyone who contributed!_
+