Changes

=== Purposes ===

=== Purposes ===

* Let any casual user request a feature using convenient and friendly tool<br>existed model still works but either not so friendly to non-technical users(like track) or too common(like wiki and mailing lists)

* Let any casual user request a feature using convenient and friendly tool<br>existed model still works but either not so friendly to non-technical users(like track) or too common(like wiki and mailing lists) e.g. collab.sl.o will provide simple method to track progress of request implementation, let other users vote for this request thus stimulate contributors to participate

* Mix in groupware component to sugar development model keeping in mind its casual and decentralized nature

* Mix in groupware component to sugar development model keeping in mind its casual and decentralized nature