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
removed unused local: effects
Return QList instead of QSet
sort effects somehow by similarity and uscases
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.
Use PerformanceTimer instead of QTime in WVUMeter::onConnectedControlChanged.

Base:
Stat("WVuMeter::onConnectedControlChanged","count=2606,sum=1.08114e+07ns,average=4148.66ns,min=1115ns,max=47684ns,variance=1.17059e+07ns^2,stddev=3421.38ns")
Experiment:
Stat("WVuMeter::onConnectedControlChanged","count=3008,sum=1.92368e+06ns,average=639.522ns,min=159ns,max=24937ns,variance=584952ns^2,stddev=764.821ns")