moved oozie-site to main
upgrading oozie-core version
switched to snapshot version, upgraded oozie version
Merge branch 'sriksun-fork'

Conflicts:
	pom.xml
Added README
removed offset EL exprs, added testcases for instanceTime etc
added action context for now, today etc
added back old EL mappings to make oozie backward compatible
upgraded oozie version
dataIn to construct paths even for non-input datasets - for optional inputs
Fix for tz issue with el functions