* used wstring in FilePath constructor where easily possible
* added FilePath concatenate method that accepts string parameter
* implemented using only wstring in MessageStatus
* used wstring in config
* fixed dock title buttons on bottom on Windows
* fixed no gap between buttons on Linux
* fixed dark scheme title bar contrast
* fixed filter checkbox colors for dark schemes
* 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
* fixed window size and resizing
* fixed layout and spacing
* removed focus rects on Mac
* fixed filter dropdown style for Mac
* reuse button handling from QtWindow
* use different colors for category and bookmark rows
* allow clicking full row for expansion
* show edit and delete button only on hover
* ellide bookmark name when little space
* Added navigation to top of code view for iterating references and switching between list and single file mode
* current file name and reference count is shown on top in single file mode
* refactored scrolling to location or line via request system
* added parameters animated and toTop to scrolling system
* refactored class hierarchy and removed unused stuff in list mode
Eberhard Graether