work on ajaxy help for siteprefs (2 of 6 tabs done).
minor improvements to the {cms_help} tag
minor improvement to filemanager template.
Adds some stuff to CmsLangOperations


git-svn-id: http://svn.cmsmadesimple.org/svn/cmsmadesimple@8800 3d254a34-79dc-0310-9e5f-be208747d8a0
more work on siteprefs stuff.


git-svn-id: http://svn.cmsmadesimple.org/svn/cmsmadesimple@8801 3d254a34-79dc-0310-9e5f-be208747d8a0