fix messageId null when receiving message
#477 use seconds instead of mills
fix paid set not called in initial login
#479 sdk add getMessage(messageId)
#479 app check message already exists when receiving push
#478 alway fetch apid/device_token from server
sample app add ua support
#480 add OPSettingsDelegateImpl
strip "-" from messageId generated
#499 fix pull refresh gesture
 #498  make sure all contacts show in contacts tab
Merge branch '20140401-dev-stable' into feature-20140729-push-urbanairship
add dummy airship configuration