Merge pull request #1 from GiorgosPa/shit

Adds playlist exporting for deezer.
Removes kittens example code, improves parsing

* Removes kittens example code.

* Fixes the button (the event was fired on page load).

* Parses the HTML code and returns JSON for Grooveshark website.

* Adds copyrights.
Merge branch 'new_stuff'

Conflicts:
	popup.js
Fixed empty playlists for Grooveshark

* When the user clicks the button too fast, empty playlist is created.
  Fixed it in a very bad way (wait 1 sec and repeat function call) but heeey, it's hackaton :)
parseGrooveshark returns JSON string if the playlist is not empty
Minor indentation fixes
Adds save_to_file and import_to_deezer functions.