Prototype Membership

Actions:
delete_action
edit_action
mailto_action

Functions:
checkAccess(action, usr, level)
constructor(usr, level)
updateMembership(lvl, modifier)

Macros:
Membership.deletelink
Membership.editlink
Membership.email
Membership.level
Membership.unsubscribelink
Membership.url
Membership.username

Skins:
edit.skin
mailmessage.skin
mailstatuschange.skin
mailto.skin
mgrlistitem.skin
subscriptionlistitem.skin