get rid of most clazy warnings (https://github.com/KDE/clazy)
* range loop use refs
* qcolor ctor with ints
* missing Q_OBJECT macro
* use .constfirst instead of .first
enabled ccache for unix systems for fasterr recompiling
* if ccache is in path we use it now
* 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
* Elide status bar messages to avoid window resize window
* Fixed status view clearing when switching projects
* Refactored app setting loading
* Replace newline characters with spaces in status view
* click message in status bar to show status view
* renamed status tab to output
* renamed status column to message
* fixed list not properly updating when using filters
* scroll to first row after clearing
* Added DialogView with QtDialogView implementation to handle information dialogs
* Implemented QtIndexingDialog class that covers all different dialogs for indexing
* Directly communicate with DialogView from Prpject and all Tasks involved in indexing
* Block QtMainWindow UI while indexing
* label errors as errors instead of references in file snippet headers
* show number of fatal errors in file snippet headers as well
* only show the first 10 error snippets open, remaining collapsed
* don't show status message after parsing in red on errors
* don't show stats of parsing when project was only loaded
* hide build file content
* use small buttons in all windows
* new design for start screen
* fixed design for enter license ui
* added spacing to summary
* brighter icons in wizzard
* added template icon for graph
* smoothing for graph icons
* switched error icon to dot
* fixed error message tooltip immediatly disappearing
* menu item for opening documentation
Andreas Stallinger