CFrameBuffer: Fix paintIcon() for use icons with full path
- plugins: add and use default hint icon; THX to fred_feuerstein
CComponentsPicture: rework scale behavior

Scaling mode not longer only dependent from image name.
Now also evaluated parameters.
Image objects with defined dimensions will be scaled.
Icons without defined path and file type, will be scaled as before.
CComponentsInfoBox: small cleanup
Merge remote-tracking branch 'cool-cst-next/cst-next'

Conflicts:
	src/gui/widget/icons.h
Revert "test cst-next stb-hal-old"

This reverts commit 2ce136b929927be1151c4595611dd751c6c76924.
fix Movie-Browser Menu exit
merge clean