[https://github.com/coto/gae-boilerplate/issues/279] Make bp_includes.lib.basehandler share jinja2_factory with bp_includes.lib.error_handler.
Fix for #271

Fixes issue #271 - logging into does not redirect you to the page you
requested.
Changed ‘continue_url’ to ‘continue’ on line 123
Complete italian translation
Merge pull request #292 from PMStanley/master

Fix for #271
Merge pull request #293 from JackNova/master

Complete italian translation
Update README.md