Regenerate gemspec for version 3.0.7
Regenerate gemspec for version 3.0.7

activescaffold/active_scaffold,AlbertoBarrago/active_scaffold,AlbertoBarrago/active_scaffold,AlbertoBarrago/active_scaffold,budree/active_scaffold,mallikarjunayaddala/active_scaffold,budree/active_scaffold,mallikarjunayaddala/active_scaffold,activescaffold/active_scaffold,mallikarjunayaddala/active_scaffold,budree/active_scaffold,activescaffold/active_scaffold