Fix math error in source rectangle for horizontal VU meter peaks.
Deere fixes.

* make knob line ends round
* SVG "rgba" is not supported by Qt. Use stroke-opacity and fill-opacity instead.
Rename EffectChain parameter to super.

Named the EffectChain control 'super1' for expansion. Updated Shade,
Deere, and LateNight. Fixes Bug #1378211.
Remove DOS line endings.
Update ControlPickerMenu for superknob CO change.
Remove loading of resource path from mixxx.cfg.

Fixes issues with using multiple versions of Mixxx on the same
machine. Bug #1392854.
Process cover art when loading tracks from browse mode or external libraries.

Partial fix for Bug #1393749.
Merge branch 'master' into headerstate
Remove connection to non-existent signal.
When processing covers on first scan, cache the results before doing the
real work to prevent an active SELECT from blocking the database.

Fixes Bug #1399981.
Deere skin: Add simple Load/Save Samplerbanks buttons to the samplers extended view. This allows to load/save groups of tracks to sample decks. Fixes https://bugs.launchpad.net/mixxx/+bug/1181215
Change .gitignore to track *.cfg files in /res/keyboard/
Added de_CH.kbd.cfg and fr_CH.kbd.cfg keyboard mapping files. Thanks to Markus Baertschi. Fixes https://bugs.launchpad.net/mixxx/+bug/1401838
Deere skin: Add simple button styles for hover and pressed state.
LateNight: Try to make previewdeck remember its openc/closed state

still not working??
Upgrade from SoundTouch 1.6.0 to 1.8.0.

Fixes a portability-related segfault on Windows x64 reported in
Bug #1402219.
Call SoundSource::setChannels in SoundSourceOggVorbis and SoundSourceSndFile. Fixes Bug #1402262.
Add unit test that we can open AIFF, FLAC, MP3, Ogg, and WAV files using
the pre-existing cover-art test files.
Update translation template.  Found 1865 source text(s) (10 new and 1855 already existing). Kept 1 obsolete entry
Pull latest translations from https://www.transifex.com/projects/p/mixxxdj/. Compile QM files out of TS files that are used by the localized app.