* Implemented new format splitting user, version, and usage period into separate lines
* Refactored all classes: License, LicenseGenerator, LicenseChecker
* Removed redundant license check hash from ApplicationSettings, don't generate, store and check it anymore
* Moved license checking and encoding logic to LicenseChecker
* Moved default for license generation to main.cpp
* Refactored license checking logic in whole app, removed involved message types
* Added LicenseCheckerTestSuite for checking all legacy and current license types
* Generate new license type lifelong
Eberhard Graether