Update Javassist from 3.16.1-GA to 3.17.1-GA (works with Java 6; 3.17.0-GA requires Java 7)
Update Javassist from 3.16.1-GA to 3.17.1-GA (works with Java 6; 3.17.0-GA requires Java 7)

caiiiycuk/xitrum,xitrum-framework/xitrum,georgeOsdDev/xitrum