* 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
* Licensegenerator can now generate any type of license via commandline argument
* When moving the appliction, the user needs to enter the License again
* hide start screen when opening with project file
* added project icon file to bundle and file type association to plist
* listen for file open events from double click or drag and drop
* fixed crashes in window handling
This change integrates the license key ui into the application and makes it necessary for the user to enter a correct
key. The check for a correct key is done on startup and whenever a project is loaded. The check for the key also
includes a check whether the location of the application has changed.