preferences fragments started, and other stuff in preference branch
worked on UDPSender
Merge remote-tracking branch 'origin/Preferences' into controller

Conflicts:
	.gitignore
	.idea/workspace.xml
	res/layout/activity_controller.xml
Merge remote-tracking branch 'origin/Preferences' into controller

Conflicts:
	.gitignore
	.idea/workspace.xml
	res/layout/activity_controller.xml