Megam:Account gets unmarshalled as a ruby object correctly from a json emitted by megam_play for success(GET, POST) scenario.
updates to convert json to string. Megam::Account works now.
All the supported REST(auth, accounts,nodes, predefs, predefclouds) tested for success scenario.
Changes for nilavu worker
Merge remote-tracking branch 'ta/master'

Conflicts:
	lib/megam/core/account.rb
All the tests pass : Go Megam...Gallop
Fix for error messages
predef fix
added a new api clouddeployer
Merge remote-tracking branch 'ta/master'

Conflicts:
	lib/megam/core/predef_collection.rb
predefcloud change in test
Merge remote-tracking branch 'origin'
predef return value fix
Node fix for nilavu
cloudtools/ api support for chef
helper methods to return cloud_instruction_group, cloud_instruction(by group name)
upd on 19-8-13
Merge remote-tracking branch 'origin'

Conflicts:
	lib/megam/core/cloudtemplate.rb
Requests new api support.
cloud_template change