PIG-4000: Minor documentation fix for PIG-3642 (lbendig via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1601422 13f79535-47bb-0310-9956-ffa450edef68
PIG-3999: Document PIG-3388 (lbendig via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1601425 13f79535-47bb-0310-9956-ffa450edef68
Move deleting zebra to incompatible changes


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1601427 13f79535-47bb-0310-9956-ffa450edef68
PIG-3998: Documentation fix: invalid page links, wrong Groovy udf example (lbendig via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1601430 13f79535-47bb-0310-9956-ffa450edef68
PIG-3997: Issue on Pig docs: Testing and Diagnostics (zjffdu via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1601435 13f79535-47bb-0310-9956-ffa450edef68
PIG-3995: Tez unit tests shouldn't run when -Dhadoopversion=20 (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1601488 13f79535-47bb-0310-9956-ffa450edef68