Updated Italian translation
added css classes for cover and title in artistalbum widget in ui.
Merge pull request #127 from sumansai14/master

added css classes for cover and title in artistalbum widget in ui.
Updated Czech translation
add to playlist button should be insensitive when there is no selection.
Updated Brazilian Portuguese translation
Merge pull request #131 from sumansai14/master

add to playlist button should be insensitive when there is no selection.
Merged github changes

 * added css classes for cover and title in artistalbum widget in ui.
https://github.com/gnome-prototypes-team/gnome-music/issues/127

 * add to playlist button should be insensitive when there is no selection.
 https://github.com/gnome-prototypes-team/gnome-music/issues/131
Load default icon using Gtk.IconTheme

We are using an absolute path before, which doesn't take into account the
current theme and icon path.
albumArtCache: Move to new class the loading of album art from uri

Create a new class GetUriRequest which would download the image from the uri.
albumArtCache: Merge lookup and lookup_or_resolve

Merge lookup and lookup_or_resolve into lookup, then move their callbacks to a
new class.
Update callback calls for latest changes in album art loading
Updated Hebrew translation.
Merge pull request #129 from kyoushuu/album-art-cache-rewrite

Album art cache rewrite
Updated Galician translations