more work on microtiny
 - adds support for frontend and admin profiles
 - separates plugin js into separate <script> tag which caches
 - mt config files cache for at least one minute (except for the MT example page)
 - disable some plugins depending upon admin or frontend request
 - disable images and media plugins, resizeable, menubar, and statusbar flags according to profile
 - adds stylesheet handling stuff
 - more.
Adds new method to CMSModule, and cms_siteprefs
fixes to cms_stylesheet to accept a numeric name