Update gitattributes file
Fixes to resume data saving routines.

* Avoid saving resume data unecessarily by checking the queue of calls
* Removed unecessary LoopingCall for resume data
[#2461] [GTKUI] Fix createtorrentdialog cell_data_size error
[#2462] [GTKUI] Fix clicking Edit Trackers button in Options tab
[#2463] [AutoAdd] Fix not loading torrents

The owner attribute for tm.add() method was moved to options dict
[Tests] Update ubuntu favicon