Minor cleanup.
Update root files
Minor cleanup of refactoring constants. Added Hyperlink target.
Clarify `DUB_COMPILERS_PATH`
Cleanup of builder error handling.
Refactor PreferenceConstants to TextColoringConstants.
Added hyperlink target detector generic code.
Refactor engine daemon source into Lang.
Updated to latest Lang.
Merge remote-tracking branch 'LangEclipseIDE/master'
Minor cleanup
Merge remote-tracking branch 'LangEclipseIDE/master'