Merge pull request #10 from AzureAD/master

Pull contributions from MASTER to DEV
Fix for #8 - handling expiry claim

Fix for
https://github.com/AzureAD/azure-activedirectory-library-for-java/issues
/8
Merge pull request #11 from AzureAD/userinfo

Fix for #8 - handling expiry claim
Merge pull request #12 from AzureAD/dev

Dev merge to master