PIG-3125: Fix zebra compilation error (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1436610 13f79535-47bb-0310-9956-ffa450edef68
PIG-3057: Make PigStorage.readField() protected (pablomar and billgraham via billgraham)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1436744 13f79535-47bb-0310-9956-ffa450edef68
PIG-3022: TestRegisteredJarVisibility.testRegisteredJarVisibility fails with hadoop-2.0.x (rohini via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1436746 13f79535-47bb-0310-9956-ffa450edef68
PIG-3071: Update hcatalog jar and path to hbase storage handler jar in pig script (arpitgupta via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1436749 13f79535-47bb-0310-9956-ffa450edef68
Merge branch 'trunk' of git://git.apache.org/pig into refer_previous_relation