Add license info so it is visible to maven

Change-Id: I2fa750d7e08acad8a95fdcd2147f83b62061980c
Reviewed-on: http://fulliautomatix.ics.uci.edu:8443/185
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <westmann@gmail.com>
21 files changed