Added enable/disable commands
Enabling setting successfully
Moving to abstract update model
Added disable command
Merge branch 'master' of git://github.com/sobstel/SyncedSideBar into dev/enable.disable.from.menu

Conflicts:
	Commands.sublime-commands
Added enable/disable description to README
Merge pull request #13 from twolfson/dev/enable.disable.from.menu

Added commands for enabling/disabling automatic syncing