OPAL-1925: Update variable REST webservice
OPAL-1925: Implemented PUT/DELETE for variables
OPAL-1925: Set copyright to 2013
OPAL-1925: Implementing DELETE with removeVariable()
Merge pull request #245 from emorency/feature/OPAL-1925-update-variable

OPAL-1925: Variable web service
Create default config for development purpose
Work on project storage edition
Create default config for development purpose
Support identifier database definition while running
Create default config for development purpose
Fix wrong imports
Fix tag list instanciation
Code cleaning in user modal