add and configure jersey jar file for app engine
 delete platforms repository
Added Objectify library
Add gitignore to ignore classpath
added lib files and ignore eclipse settings
removed .settings of eclipse
merge with Patrice push
Merge branch 'master' into TK-01006-create-user

/# the commit.
Added listenner for Jesey initialisation
Editing entity so that they use Objectify instead
Added managers package. Added class UserManager to manage all user related operations