* 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
* 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
* switch back to snippet view with snippet button in file title bar
* use new title bar widget in single view as well
* restore view mode on undo, store current view mode for every message id (added id to message)
* treat view mode switch as adapt message on undo stack
* fixed crash after snippet expansion
* fixed hatching in file title not shown
* Show title bar at top of snippet list if first file is cut off
* Show scrollbar at bottom of snippet list if last snippet if cut off and horizontally scrollable
* Extended scrollRequest API to different ScrollTarget modes
* Fixed snippet extension broken if maximized first
* Split off title bar functionality to separate class QtCodeFileTitleBar
* slightly darker function color in code for bright scheme
* fixed title offset in indexing progress dialog
* show progress dialog while starting indexers
* fixed text covered by flag in finish indexing dialog
* added and used QtFilesAndDirectoriesDialog in file list boxes for windows and linux
* implemented allowing to select multiple entries which adds more rows to the path listbox
* added radio buttons to start indexing dialog
* don't block task scheduler thread while start indexing dialog is visible
* don't force whole project refresh on settings change
* added help button to start indexing dialog explaining indexing modes
* disable unavailable modes when project needs full refresh
* improved label texts on indexing dialogs
* added --incomplete flag to index command of commandline API
* fixed deletion of window stack elements
* added help button next to filters in error table
* added menu action Help -> Fixing Errors
* added help button on indexing dialog
* show help message after first time indexing with errors, if not seen already
* fixed clicking on search element did not focus search bar
* fixed moving cursor between elements
* no smart pointers for search elements to fix deletion issues
Eberhard Graether