* assign custom fields by parent class
* strcasecmp function replaced
* new tags: screen_size & if_screen_size
* visitor logs update & expiration
* visitor user agent screen size log
* nice admin urls
* common site javascript in textpattern/js/publish/
* allow double quotes within textile link titles
* put image in "1" dir if no write permit on new dir
* publish: set context id to id in URL
* check database archive import success during setup