* Auto-save settings updated - now auto-save will save not only the current scene but also all levels, according to preferences option.
N.B. Note that the default value of "Automatically save non-scene files" is ON. Please make sure to disable it if you would like to automatically save the scene only.
* Remove license support, and old editions
Previously, old code to support various editions of Toonz, as well as
license activiation code, was cluttering the repository.
Support for LINETEST is retained.
* fix conflicts