Merge remote-tracking branch 'upstream/develop' into develop
#120 - Tasks for sending sms should appear in pending tray, before going to sent tray.
Merge pull request #161 from tstalka/develop

#120 - Tasks for sending sms should appear in pending tray, before going to sent tray.
Added sending request to web server every time when sms has been sent or delivered.
Added new controller for MessageResultsAPI handling.
Message Results API is now available in settings.
Added Message Results scheduler task.
Updated settings for Message Results.