refs #111: rollback license info to use LGPL 2.1
refs #111: rollback license info to use LGPL 2.1

sewe/spotbugs,johnscancella/spotbugs,sewe/spotbugs,johnscancella/spotbugs,spotbugs/spotbugs,johnscancella/spotbugs,spotbugs/spotbugs,KengoTODA/spotbugs,spotbugs/spotbugs,sewe/spotbugs,spotbugs/spotbugs,johnscancella/spotbugs,spotbugs/spotbugs,KengoTODA/spotbugs,KengoTODA/spotbugs,sewe/spotbugs,KengoTODA/spotbugs