OOZIE-861 docs related to java-opts

git-svn-id: https://svn.apache.org/repos/asf/incubator/oozie/branches/ap-pages@1355076 13f79535-47bb-0310-9956-ffa450edef68
OOZIE-658 Some doc improvements for HowToContribute (harsh via tucu)

git-svn-id: https://svn.apache.org/repos/asf/incubator/oozie/branches/ap-pages@1361448 13f79535-47bb-0310-9956-ffa450edef68
Adding new mentor (Devarj) into credit page

git-svn-id: https://svn.apache.org/repos/asf/incubator/oozie/branches/ap-pages@1370584 13f79535-47bb-0310-9956-ffa450edef68
Correcting Harsh ID in the Credits page

git-svn-id: https://svn.apache.org/repos/asf/incubator/oozie/branches/ap-pages@1373226 13f79535-47bb-0310-9956-ffa450edef68
move oozie to TLP

git-svn-id: https://svn.apache.org/repos/asf/oozie/branches/ap-pages@1382193 13f79535-47bb-0310-9956-ffa450edef68