switched to olca-eigen
added feature flag for sparse matrix
Bugfix: Search provider menu was not reloaded (graphical editor)
Bugfix: Self loops did not connect correctly
updated readme for app-build
updated the README
included non-installer packages for Windows
Merge remote-tracking branch 'gdtc/master'
adopted path for Windows non-installer package
added graphical editor to system editor as page
bug-fix: cannot create process with existing product flow
added column sorting in process editor