Moved common javascripts into base.html

Change-Id: I9413b1114764e5b0234c49cd0c5b610c5f073dfc
Use Responsive Bootstrap

Change-Id: I3a5a1699ba96e46cac83354bd61c22a358a662d3
Changed the location of base static files

Change-Id: I59dba787163f097c3e6585c561d0c40bac53f571
Added grid view of artists

Change-Id: I99631ae46235a04b00f9cd84ae39bed8623c0afe
Use wider template block

Also remove the top margin.

Change-Id: I90f0e392403d82cbb815d13df65e4c1e7a48d9a2
Require user login

Change-Id: I7790fc8b845c5840211c4304bd47e915fc4332c1
Merge "player_index_tracks: Delete missing files"