add vklogin class
add vk id, release socialnetworkservice protocol
add login in VK
delete static scope, add check optional delegate on BKlogin, localized string in vksdkuserdeniedaccess
delete callingrequest = nil in reciveNewToken in BKlogin, delete excess delegate call
rename button replaced in hideUserInfo method
add weekself in blocks in recieveNewToken delegate in BKlogin
fix adding weekself in blocks in recieveNewToken delegate in BKlogin
Merge pull request #2 from dzmitry-baranau/addVk

add vklogin class