Jonathan Harrison

Rails Version: 4.2.11 activerecord-postgis-adapter version: 3.1.5 (similar to #276) The [override](https://github.com/rgeo/activerecord-postgis-adapter/blob/3.0-stable/lib/active_record/connection_adapters/postgis/schema_statements.rb#L19) of `new_column` does not match the [rails definition](https://github.com/rails/rails/blob/v4.2.11/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb#L388). The rails commit causing this mismatch was made [here](https://github.com/rails/rails/commit/98a7dde064172dbf9b9c441175fcd45dca70d8db). Steps to...