Merge pull request #49 from itaifrenkel/master

GS-11262 Upgrade spring from 3.1.1 to 3.2.4
CLOUDIFY-2031 Throw exception if deployment file renaming fails.
Merge pull request #50 from itaifrenkel/master

GS-11262 Use dependency management for spring
Merge pull request #51 from itaifrenkel/master

GS-11262 Removed dependency version controlled by dep management
GS-11262 Added used undeclared dependencies for rest-client