Update userhomeajax.tpl

Added "Events I've Been Invited To" header and the loop to grab all the info. Also changed the "Events I Can Assist With" loop to access the admin_events list.
Merge pull request #1 from CKnotts/patch-1

Update userhomeajax.tpl
Update userhome.tpl
Merge pull request #52 from CKnotts/master

Updated Userhome templates