v2.2.8

* stable release for WP directory distribution
* new web assets server
* new profile page
* new config instructions for new grid users
* new blocks support
* new grid and wordpress users sync
* new grid based authentication; if wp user exists, password is reset to grid password; if not, a new wp user is created
* new admin can create avatars for existing users
* new grid info settings are fetched from Robust server if set or localhost:8002
* new check grid info url validity (cron and manual)