[Buji] params update user

firstname (required)
lastname (required)
mobile(optional)

old_password(optional,string) : mat khau cu
password(optional,string): mat khau moi ( neu user thay doi mat khau phai post len ca 2 field old_password va password )

avatar(optional,file image): thay doi anh dai dien

shipping(optional,string)
billing(optional,string)