HCATALOG-629 First request always fails for webhcat


git-svn-id: https://svn.apache.org/repos/asf/incubator/hcatalog/trunk@1459000 13f79535-47bb-0310-9956-ffa450edef68
HCATALOG-639 ant test fails on trunk due to checkstyle issues


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HCATALOG-640 CHANGES.txt still lists 0.5 as unreleased


git-svn-id: https://svn.apache.org/repos/asf/incubator/hcatalog/trunk@1459025 13f79535-47bb-0310-9956-ffa450edef68
HCATALOG-625 HCatalog 0.5.0 installation document is outdated


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