Maven training

Now updated for java 17 and junit 6.

example01 - A minimal project
example02 - Executable jar without dependencies
example03 - Executable jar with a dependency
example04 - Executable jar with a dependency (create an application zip)
example05 - Executable jar with a dependency (create an uber-jar)
example06 - Executable jar with a dependency (create a minimal uber-jar)
example07 - Unittests
example08 - Unittests and integrationtest
example09 - Code coverage
example10 - Maven modules
example11 - Maven modules, with java 9 module descriptors
example12 - Simple website
example13 - Selenium tests (for example12)
example14 - Maven modules, with a bom