loading pages from extensions
Merge pull request #113 from sameerahj/greg-changes-doc-tab

loading pages from extensions
loading pages from extensions
api loading and themes loading from extensions implemented
Merge pull request #114 from sameerahj/greg-changes-doc-tab

loading pages from extensions
Merge remote-tracking branch 'upstream/greg-changes-master' into greg-changes-master
removed overriding greg files: resources/.xsds,resources/rxts,conf/log4j.prpperties; added jaggery-test module