* prepare license-maven-plugin for license migration
* added license mapping for tsx files and added some more excludes
* Changeover to MIT license
* Fix build problems
* Delete old remaining licenses
* Add more exclude path for license checker
* Rename included netbeans license, add exclude .m2/repository/
* Specify .m2 exclude because not only repository/, also wrapper/ must match
* Add .cache/ exclude for license check
* Modify formatting of license in java classes to comply with convention and IDE
* Add IntelliJ documentation for license configuration
* Update CHANGELOG.md
* Exclude tmp/workspace/ dir for license check
* Edit README.md
Co-authored-by: Sebastian Sdorra <sebastian.sdorra@cloudogu.com>
Plugin authors could now define optional dependencies to other plugins in their pom.
Extensions which are using classes from optional dependencies must specify this
with the "requires" attribute of the extension annotation.
Extensions with "requires" attribute are not installed if one of the specified plugins,
is not installed.
