* 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
* removed paths in include directives
* changed cmake to provide necessary header search paths
* changed name of version.h to productVersion.h due to name conflict
* used wstring in FilePath constructor where easily possible
* added FilePath concatenate method that accepts string parameter
* implemented using only wstring in MessageStatus
* used wstring in config
* 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
* Added non-commercial use option to enter license window
* Show enter license window on first start and force license selection
* Added ApplicationSettings migration that removed private/academic license and switches user to non-commercial mode
* Added commandline option to choose non-commercial use and provide better hints to license selection
* Removed trial mode
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Eberhard Graether