Regenerate gemspec for version 3.0.19
Regenerate gemspec for version 3.0.19

BookingBug/active_scaffold,vhochstein/active_scaffold,BookingBug/active_scaffold,ajacksified/active_scaffold,ajacksified/active_scaffold,vhochstein/active_scaffold,BookingBug/active_scaffold,silverpond/active_scaffold,vhochstein/active_scaffold,asoltys/active_scaffold,silverpond/active_scaffold,silverpond/active_scaffold,asoltys/active_scaffold