Use ID3 band tag as album artist
Add check to avoid fatal error if "Uploads catalog destination" setting undefined
Improve user resitration UI
Add user avatar and api key change on user account preferences
Fix user avater max file size check
Add missing max_upload_size setting
Improve installation process to avoid manual action for each config file
Add max upload size check in installation tests
Update README.md
Fix SubSonic API errors when catalog = -1 and when Ampache library contains an artist without any label
Merge branch 'Use_ID3_band_tag' into develop
Ger Translation + other Translation files updated..

..due to additions and changes made on Ampache since last provided Ger
translation update.
Add links on tags to show related item types with the same tag (fix #27)
Merge pull request #263 from Psy-Virus/develop

Ger Translation + other Translation files updated..
Add text-overflow on sidebar menu headers
Enlarge sidebar width to 175px
Improve Album Artist information to be used by default
Merge branch 'tsquare66-Use_ID3_band_tag' into develop
Album edition with Album Artist field
Add missing text overflow on admin sidebar
Fix batch zip file album name (fix #265)
Add item count on browse (fix #260)
Updated Menu-icons margin to fit menu width

reference to #254 unmerged commit 40d7ef6