Working on oAuth

Testing out Google oAuth and working on LastFM
Version 0.3.8

Got the LastFM oAuth API working.
Removed old source code.
Changed front page to use only user data coming from LastFM after valid
session is started. Issue #16.
Removed file
ColorTage and refreshDelay

Dropping issue #16 in favor of listening to authenticated users.
Some design tweaks.
App will now refresh using the duration of the active track.
Reactivated the colorTagging (test).