Branching for 0.8 releases

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HIVE-2020. Create a separate namespace for Hive variables (Vaibhav Aggarwal via cws)

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HIVE-2376. svn merge -r 1165206:1165207 from trunk

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HIVE-2431. svn merge -r 1166527:1166528 from trunk

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HIVE-2441. Metastore upgrade scripts for schema change introduced in HIVE-2215 (Ashutosh Chauhan via cws)

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HIVE-2442. Metastore upgrade script and schema DDL for Hive 0.8.0
(Carl Steinbach via jvs)



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HIVE-2244. Add a Plugin Developer Kit to Hive (John Sichi via cws)

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HIVE-2474. Hive PDK needs an Ivy configuration file
(Carl Steinbach via jvs)



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HIVE-2488. PDK tests failing on Hudson because HADOOP_HOME is not defined
(Carl Steinbach via jvs)



git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.8@1179805 13f79535-47bb-0310-9956-ffa450edef68
HIVE-2243. Can't publish maven release artifacts to apache repository
(Carl Steinbach via jvs)



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HIVE-2491. Add pdk, hbase-handler etc as source dir in eclipse
(Ashutosh Chauhan via jvs)



git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.8@1181207 13f79535-47bb-0310-9956-ffa450edef68
HIVE-2492. PDK PluginTest failing on Hudson
(Carl Steinbach via jvs)



git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.8@1181273 13f79535-47bb-0310-9956-ffa450edef68
HIVE-2476. Update project description and wiki link in ivy.xml files (Ashutosh Chauhan via cws)

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HIVE-2521. Update wiki links in README file
(Carl Steinbach via jvs)



git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.8@1188296 13f79535-47bb-0310-9956-ffa450edef68
HIVE-2214. CommandNeedRetryException.java is missing ASF header
(Ashutosh Chauhan via jvs)



git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.8@1197278 13f79535-47bb-0310-9956-ffa450edef68
HIVE-2366. Metastore upgrade scripts for HIVE-2246 do not migrate indexes nor rename the old COLUMNS table (Sohan Jain via Ning Zhang)

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HIVE-2556. upgrade script 008-HIVE-2246.mysql.sql contains syntax errors. (Ning Zhang via pauly)

- begin *PUBLIC* platform impact section -
Bugzilla: #
- end platform impact -



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HIVE-2368. Slow dropping of partitions caused by full listing of storage descriptors (Sohan Jain via pauly)



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HIVE-2411. Metastore server tries to connect to NN without authenticating itself (Ashutosh Chauhan via cws)

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backporting HIVE-2568 (rev. 1201091)

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