WPushButton can be connected to a dedicated indicator CO, + Some
refectoring for code style.
Sending allway ..Up() signal when a pushbutton is released
Introduced LONGPRESSLATCHING button Syle
Removed <RightClickIsPushButton> because it is not needed.
Only create one QApplication (in GUI-mode) per mixxx-test run.
Minor optimization to BeatGrid::findNthBeat.
reverted changes, not raleated to LONGPRESSLATCHING
make GuiTick CPU time based
introduced a backup timer for the case that there is no audio callback active
Change wording in Library preferences pane following a discussion in https://github.com/mixxxdj/mixxx/commit/d12ada57f65fabc55ee1e45b56dbff2d7a0a6ffe
Allow ranges over 200 for BPM detection, fixes https://bugs.launchpad.net/mixxx/+bug/1258483
Create long-press latching mode for pushbuttons
Make latching simply the opposite of powerwindows
Create long-press latching mode for pushbuttons
Make latching simply the opposite of powerwindows
Add testing -- fails
try to use mixxxtest with gui on.  FAIL
Fix wpushbutton latching tests
Oops! Added BpmControlTest accidentally.
Merge pull request #111 from esbrandt/lp1258483

Allow ranges over 200 for BPM detection,