#310 maybe fixed - via sendPostedEvents
fixed filename sorting issue
Revert "fixed filename sorting issue"

This reverts commit 5920dc294259e5614c137cf029b6fdc89f4bc166.
crop bug fixed
set as 'default' in the windows registry
added copy selected pixel color value (HEX) to context menu and as a shorcut
fixed filename sorting issue
Merge branch 'master' into developer

Conflicts:
	ImageLounge/src/DkImage.cpp
	ImageLounge/src/nomacs.rc
#305 fixed again
minor changes
file filters
init file filters moved so that QApplication is running before the init (plugins are not recognized otherwise)
thumb loading that does not decrease the overall performance