Fixed JIRA PUSH-266 : Add listener functionality to NotificationProviders

git-svn-id: http://anonsvn.icesoft.org/repo/icepush/trunk/icepush@37404 1de00972-ac04-4911-a46b-06793c8d78d9
Fixed JIRA PUSH-266 : Add listener functionality to NotificationProviders

git-svn-id: http://anonsvn.icesoft.org/repo/icepush/trunk/icepush@37406 1de00972-ac04-4911-a46b-06793c8d78d9