VuMeter bar to use full widget size

Check widget size to know bar size instead of checking bitmap size to allow resizable VuMeters
Update wvumeter.cpp
Strange, but fixes horizontal VuMeter peak

Horizontal VuMeter peaks was not visible before at all.
Fix identation and typo
Fix identation again
Last attemp of identation fixing
Update wvumeter.cpp
Shade skin - cover art support - set minimum size to 100x100
LateNight skin - cover art support - uncomment show/hide control
the show/hide control already works for LateNight
Deere skin - cover art support - add show/hide control
Merge pull request #383 from cardinot/cover_skins

some fixes for skins containing the cover art widget
dlgtrackinfo - location field - fixing bug with background color
Fix case where BaseTrackCache wasn't receiving dirty notifications if a
track begins life dirty.

Fixes Bug #1392917.
Only preserve legacy key text as user data if it is non-empty.

This was setting most tracks to dirty unnecessarily.
Move new end-of-track warning slider from the debug section up next to the other existing slider. Added a tooltip, changed the label as discussed in #352
Update translation template. Found 1826 source text(s) (14 new and 1812 already existing).
Merge pull request #386 from cardinot/bug_dlgtrackinfo

[#1392927]dlgtrackinfo - location field - fixing bug with background color
Contributor updates.

* Move Mark Hills to "Special Thanks".
* Remove duplicate "Alex Barker".
* Add some missing contributors from the 1.12.0 milestone page:
 - Kevin Wern
 - Varun Jewalikar
 - Keith Salisbury
 - Irina Grosu
 - Callum Styan
 - Rahul Behl
* Move Dennis Wallace to this-release contributors.
Merge remote-tracking branch 'mixxxdj/pr/350'
Updates to WVuMeter to use target/source rects.