Properly reset windows geometry and state
Allow themes and icon preferences
Preferences had icon embeddeed in the ui
Icons in all sizes
Copied the oversized classic theme originals to a safe storage location.
Added paintbrush icons to be used for customize TX action
Some pixel optimizaion
Further work in themes for the ui and some further bug fix.
Merge origin/romolo/customizable_toolbars into romolo/customizable_toolbars
Companion now should fully support themes
Remove duplicated code
Small code cleanup
Merge pull request #568 from opentx/romolo/customizable_toolbars

Romolo/customizable toolbars