index: vCard update from XEP-0153 is not properly supported yet

XMPPInterface: trigger generic status event after specific status event

index: show current user profile in profile modal

register: avatar image recommendations

index: slightly restyle the two input fields

html: upgrade to Backbone 1.3.3

contacts: make ContactView listen to remove event

calls: make CallView listen to remove event

index: cache contact vCards

getContactProfile: use vcard namespace, just in case