using LSL::usync
more LSL::usync usage pt1
more LSL::usync usage pt2
more LSL::usync usage pt3
more LSL::usync usage pt4
more LSL::usync usage pt5
started to switch sasi over to LSL
fixing qt sources for lsl pt1
fixes post-rebase lslunitsync usage issues
adds forgotten headercheck template file
bump to fitting lsl commit
Merge branch 'master' into usync_to_lsl
Merge branch 'master' into usync_to_lsl

Conflicts:
	src/CMakeLists.txt
	src/customizations.cpp
	src/springsettings/CMakeLists.txt
	src/springunitsync.cpp
	src/ui.cpp
Merge remote-tracking branch 'origin/usync_to_lsl' into usync_to_lsl
fix test_susynclib target
fix springsettings linking
revert parts of merge / fix compile