Auto DJ should show tracks that have been hidden in the library.
Merge branch 'master' into autodj-showall
Remember to unhide dropped tracks in autodj.
Also unhide tracks for crates and playlists.
Fixed center position hack for ControlLinPotmeterBehavior
Adde link type knobs to Shade skin
Small tweak to keep decks from getting too wide
Add Master Sync test to confirm that filebpm changes don't affect master sync rate.
Merge pull request #261 from ywwg/autodj-showall

Auto DJ should show tracks that have been hidden in the library.
Also unhide tracks if added via Libary right-click menu.
set value after range, this way it is verified with the new range.
Fix spaces that show up in two-deck mode
Get rid of low pass in echo -- it causes clicks
Merge branch 'master' of https://github.com/mixxxdj/mixxx into coverArtSupport