Various updates to Sunrise
- Updated README.md
- Removed 'get_' prefix from many functions.
- Changed $form_label to $form_title
- Fixed bugs in get_forms() and get_form_fields().
- Removed "3" priority from _Sunrise_Post_Admin_Forms_Helper::_save_post() - ( 3 was mistakenly added thinking it was needed for 3 count of parameters.)
- Removed the code that set subtype to false in object classifier if post type doesn't exist, i.e. let it be assigned before post type registered.
- Added architecture review presented on 2014-03-06 to the WordPress #metadata team.