A bug for right click menu is fixed. Now the menu appears in the right location every time.
Merge branch 'master' of https://github.com/kruzkalke/music-stream into lee
Implemented now playing queue.
	- Queue will adjust to the table that the user will be looking at.
	- It takes a "snapshot" of the list that the user is looking at.

Keyboard navigation is enabled. You can use back arrow and forward arrow to navigate to next song or previous song
in your now playing queue.
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