Add preference option to set the coloumn height in the range from 10 to 60
change wording to RowHeight
Make Default and Apply work fro row height
Fixed a rename leftover
Make cancel work for row Height
Update skins to provide microphone pregain knob instead of volume.

Fixes Bug #1280771.
Dynamically filter the QSortFilterProxyModel for BrowseTableModel. Fixes Bug #1333469
rename a remaining rowHeight local
added px prefix
Merge pull request #403 from daschuer/cover_row_height

Add preference option to set the row height
REF: reword the cover update message
Mark built-in script checkbox as disabled. Fixes Bug #1316780.
Merge remote-tracking branch 'upstream/master' into deere_updates
Deere skin: * Add cue_gotoandstop as right-click action to the CUE button. Cue behavior is move the same with all resizable skins. Fixes https://bugs.launchpad.net/mixxx/+bug/1270282