add null check for messagesmanager's methods 24/114824/1 accepted/tizen/mobile/20170215.085724 submit/tizen/20170215.075817
-rw-r--r-- 53 .gitignore
-rw-r--r-- 11358 LICENSE
drwxr-xr-x - Tizen.Messaging
drwxr-xr-x - packaging