CheckSchema: chance to check the schema
+StartProfileRemoteSubscribe: Before showing the link to remote subscription
+- $userprofile: UserProfile widget
+- &$profile: the profile being shown
+
+EndProfileRemoteSubscribe: After showing the link to remote subscription
+- $userprofile: UserProfile widget
+- &$profile: the profile being shown
+
StartProfilePageProfileSection: Starting to show the section of the
profile page with the actual profile data;
hook to prevent showing the profile (e.g.)
EndRobotsTxt: After the default robots.txt page (good place for customization)
- &$action: RobotstxtAction being shown
+StartGetProfileUri: When determining the canonical URI for a given profile
+- $profile: the current profile
+- &$uri: the URI
+
+EndGetProfileUri: After determining the canonical URI for a given profile
+- $profile: the current profile
+- &$uri: the URI