v3.0.0

Update 3.0.0: New features

* Added Video Player:
	- It's hidden by default and is shown when opening a video, not a music file.
	- It can be set fullscreen by double clicking its area.
	- It can be paused by right clicking its area.
* Added menu option to 'clean' the interface. i.e, hide playlist's controls.
	- It can be enabled by default in the settings window.
* Added Recents menu to open recent songs and/or playlists.