CFY-1500 for travis
CFY-1500 fix local workflow outputs and pass 'has_attributes' to cloudify_context
CFY-1500 implement local and remote context endpoints process attributes
CFY-1500 fix bug in DirtyTrackingDict and and test for local workflows get_attribute
CFY-1500 add test with file storage path
CFY-1500 rename operation
CFY-1500 update local workflows outputs / process attributes to use new dsl functions
CFY-1500 rename process attributes to evaluate functions
Merge pull request #72 from cloudify-cosmo/CFY-1500-get-attribute

Cfy 1500 get attribute