folder handle: repositioning on resize
fixes for folder preview
mac os file icons, file proxy enabled + window set to modified if edited

Signed-off-by: Manuel Keglevic <mkeglevic@caa.tuwien.ac.at>
editing corrected
Merge branch 'master' into developer

Conflicts:
	ImageLounge/src/nomacs.rc
fix for wrong images (wrong extension)
update lipqpsd
libqpsd license added
sterndal fixed
patch by goyal closes #198 (changing number of recent files)
Feature 164
prev & next fixed
Merge branch 'master' into developer

Conflicts:
	ImageLounge/src/DkImage.cpp
	ImageLounge/src/nomacs.rc
psd patched (finds format automatically by these means)
QPsdHandler fix for linux
silent fullscreen fixed
transparency pattern added (closes #186)
nasty * fixed
preferred extension (settings) finalized
closes #195 RAW+JPG folders...