Removed a few compiler warnings.
Removed hard coded conversion of string to utf-8. No idea why it was in there in the first place...
Reset the changed flags on inner spreads when flushing the outer spread (fixes performance issue with xml nodes having constant input data).
Removed symlinks. Projects reference into common/src directly now.
Removed obsolete .gitignore files.
Fixed reference paths.
Fixed change flag issue with multi dimensional in and output spreads.
Merge commit '458d167211c60833fa5a708d9a9d07a85dfd4052' into develop