Bugfix: Error adding link to link search
Merge remote-tracking branch 'gitlab/master' into graphical_fixes

Conflicts:
	olca-app/src/org/openlca/app/editors/graphical/search/MutableProcessLinkSearchMap.java
removed default sorter in Tables.registerSorters
Merge remote-tracking branch 'origin/graphical_fixes'
merged bug-fix in process link search
do not open the start page multiple times
ILCD export for LCIA methods added