Fix #1 (onLogin listener may be null)
Add requestPermission method to request Publish Permissions (and get the new access token back) without executing any request.
Update README.md
Update README.md
Merge pull request #36 from Gryzor/master

Allow the user to request permissions without an action to get an updated Facebook Token
Merge branch 'master' of https://github.com/sromku/android-simple-facebook