Merge pull request #2 from JMPerez/master

Improvements in image rendering, artist's albums and $scope.$apply
Fix player position indicator and get rid off $scope.$apply issues
Add timeago filter and use it in the views that render added_at
Render custom playlist cover if any
Add rename/change privacy of a playlist through right button
Merge pull request #4 from JMPerez/fix-player-position

Fix player position indicator and get rid off $scope.$apply issues
Merge pull request #5 from JMPerez/add-timeago

Add timeago filter and use it in the views that render added_at
Merge pull request #6 from JMPerez/fix-missing-image-playlist

Render custom playlist cover if any
Merge pull request #7 from JMPerez/change-playlist-details

Add rename/change privacy of a playlist through right button
Add support for removing a track from playlist
Merge pull request #8 from JMPerez/add-remove-track-from-playlist

Add support for removing a track from playlist