* disable windows error dialogs on application crash for indexer target
* show indexing dialog at the start of indexing task instead of waiting for processes to start
* fix escaping path to binary for indexer process
* join garbagecollector thread when stopping
* fix compile errors related to FilePath in deploy mode on windows
* use canonical filepath cache in cxx indexer
* made constructors of FilePath explicit
* use FilePath at more places instead of string
* forward declares FilePath wherever possible
* update to clang/llvm to 3.9
* update to qt 5.8
* fixed windows javapathdetector for 64 bit java.
* added LibGui as dependency to tests
* fixed legacy Java 6 install necessary on MacOS
* fixed setting of user path for 64 bit build
* added missing pngs to windows installer
* renamed graph zoom button images
* reverted moving of setupLogging call to fix crash on deployed exe
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* moved sample projects from data to user folder
* added fallback files for app and window settings
* implemented copying app and window settings to user folder when not found on app startup
* fixed upgrading for windows installer