Add users tracking
Fixed possible crash when an image isn't loaded
Updated v to 1.3.6
Update README.md
Added ability to request "email" scope and get it into VKAccessToken (like was already done in iOS SDK)
Merge pull request #88 from MikeCamino/master

Added ability to request "email" scope and get it into VKAccessToken
is_pinned added to VKPost.
Merge branch 'master' of https://github.com/VKCOM/vk-android-sdk