Removed unused icons
Merge branch 'origin/next'
Removed unused customized.png copies from the themes packages. This file should not be changed by theme switches.
Resized Stop and Play icons to fit theme sizes
Merge branch 'origin/next'
Added icons in in the outstanding Linux sizes.
Corected name of 22x22 icon
Cleaning up the icon archive for the monochrome originals
corrected icon names.
Merge branch 'origin/next'
Optimezed some 24x24 icons, many to go
Merge branch 'origin/next'
A bunch of 24x24 icons optimized
More 24x24 optimizations. Getting there slowly.
All the 24x24 mono icons are done! Finally!
All 16x16 mono icons optimized
Merge branch 'origin/next'
Merge pull request #599 from opentx/dvogonen/icon_optimizations

Icon optimizations finished.