CLOUDIFY-2027 Cleanup
CLOUDIFY-2016 set statistics history size to 0 in USM and Rest
GS-11262 Upgrade spring from 3.1.1 to 3.2.4
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.