fix java version of class files compiled for 7 instead of 6
fix java version of class files compiled for 7 instead of 6

mirah/mirah,KeenS/mirah,felixvf/mirah,uujava/mirah,mirah/mirah,uujava/mirah,uujava/mirah,felixvf/mirah,felixvf/mirah,uujava/mirah,aspleenic/mirah,felixvf/mirah,KeenS/mirah,KeenS/mirah,uujava/mirah,mirah/mirah,aspleenic/mirah,KeenS/mirah,aspleenic/mirah,aspleenic/mirah,mirah/mirah,aspleenic/mirah