* Added language specific Project and ProjectSettings
* moved project specific code from Application to Project
* made Application a singleton
* added handleDialog method to Application which displays a dialog window and waits for user input
* Added ScopedFunctor that executes a function when deleted
* Added CDB option to project type selection
* show CDB source files in popup
* define header paths separately
* made generic content summary in wizzard and use it everywhere
* fixed file paths not canonical in analysis
* refactored wizzard content paths to use summary instead of subpaths
* refactored files popup to simpler communication with content
bug id = 35
* stretch at end of preferences
* space at scrollbar
* default font size
* only refresh project when something changed
* fixed sizing of text fields
* icons fit to font size
* use em base sizes
* added language to project type label
* switched to QGridLayout for wizzard content layouting
* distinguish scrollable windows based on content
* content can define window size
* removed QtApplicationSettingsScreen, now done via QtProjectWizzardWindow and QtProjectWizzardContentPreferences
* added new project icon