Stop tracking Gulp generated files

Stop tracking gulp generated files.

running gulp is a must now.
Add Debug support for player_window

FIX: prevents Drag&Drop into and out of the window.
(Try dragging a .txt into the window before this)
Merge pull request #7 from ivantodorovich/stopTrackingGeneratedFiles

Stop tracking Gulp generated files
Merge pull request #8 from ivantodorovich/debugOnPlayerWindow

Add Debug support for player_window