CFY-750 added error codes to REST service; refactored error handling
CFY-718 removed dep links
CFY-718 removed dep links
CFY-718 removed dep links
CFY-718 removed dep links
CFY-718 removed dep links
CFY-718 removed dep links
CFY-718 removed dep links
Merge pull request #39 from cloudify-cosmo/feature/CFY-718-remove-dep-links

Feature/cfy 718 remove dep links
Merge branch 'develop' into feature/CFY-750-error-codes-in-REST-service
Merge pull request #37 from cloudify-cosmo/feature/CFY-750-error-codes-in-REST-service

CFY-750 added error codes to REST service; refactored error handling
Merge branch 'develop' into feature/CFY-731-modify-install-and-uninstall-wf-to-invoke-monitoring-interface