Merge branch 'master' of https://github.com/greenqloud/qloudsync
set timer on preference window
Merge branch 'master' of https://github.com/greenqloud/qloudsync

Conflicts:
	QloudSyncMAC/UI/xib/PreferenceWindowController.cs
change order to make more accurate progress bar
Merge branch 'master' of https://github.com/greenqloud/qloudsync
Make selective folders load correctly