Add hooks, controller wrappers and application wrappers documentation
add Reference to crud options in documentation
Requires tw2.forms to make sprox importable by the documentation
Update documentation to refer to tg.request.validation instead of tmpl_context.form_errors and form_values
Add example on TGAuthMetadata.authentication
Add documentation for heroku deployment
add not for alternative server
Making title similar to other deployment methods
Improving documentation about 2.3.1 changes
remainder for future release managements, prepare release page needs rewrite due to SF and private index removal
Preparing for release