better ios scrolling, faster playing restored

(used in musicbox 0.4.3)
old webclient renamed
Merge branch 'master' into develop
Initial browsing functionality (Mopidy 0.18)

(playing tracks does not work yet)
removed old webclient, renamed flatclient to webclient
browsing works!
fixed browsing, moved default radiostations to its own file to be able to edit them in musicbox
small enhanceements
removed old info for webradio and better browsing support
radiostations added
updates for radio
fixed browsing bug, timer bug
small changes
much better browsing, handling of tracks without names/albums/artists, etc
New settings page and websockets location
changes for webclient in musicbox alpha4
small updates
beta 1 release
updates for musicbox beta2. Icons added, search works, lotsa bugs fixed
Merge branch 'develop'