[cecilia] Add the possibility to specify System properties in the maven-ceciliaadl-plugin
In the maven-ceciliaadl-plugin <configuration> section it could be useful to be able to configure System properties:
<configuration> <!-- ... --> <systemProperties> <systemProperty> <key>myproperty</key> <value>myvalue</value> </systemProperty> <!-- ... --> </systemProperties> <!-- ... --> </configuration>