#1202417 Fixed - Customize left-click in library action
#1202417 improvements
It checks if AutoDJ is the current window
If AutoDJ is the current window, the load action must be LoadOnDeck.
Merge branch 'master' of https://github.com/mixxxdj/mixxx into Bug#1202417
Merge pull request #194 from cardinot/Bug#1202417

#1202417 fixed - Customize left-click in library action