* use wstring in symbol and bookmark names
* fixed setting apppath in windows includes
* regard utf8 encoding in shared indexer commands
* regard utf8 encoding in shared indexer status
* 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
* improves indexing performance by roughly 5%
* switched to use uniqu_ptr for boost path to get rid of including boost in header
* added different methods to change the current FilePath or to make a copy and change that one
* used these methods appropriately throughout the code base
* removed exists() method from FileSystem because it is already contained in FilePath
* added const in some places
* changed ControllerProxy to template class
* allow passing method pointers and arguments to ControllerProxy
* replaced some messages with ControllerProxy calls
* moved logic from BookmarkView into BookmarkController
* added SubWindow flag to QtWindow to either use window decorations or show window within main window
* fixes black borders in some Linux window managers
bug id = 376
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* 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
* moved bookmark buttons behind search bar
* suggest qualified name when creating, file name for files
* fixed bug when updating bookmark category
* changed comment toggle arrow
* changed edit and delete icons
* fixed undo for edge bookmarks
* keep categories always alphabetical regardless of subsorting
* keep category expansion state when opening and closing browser
* removed QtBookmarkBar, moved logic into QtBookmarkView
* added bookmarks Menu with shortcuts
Ctrl + D: Create Bookmark
Ctrl + B: Bookmark Manager
Eberhard Graether