extended access token class with the field for the refresh token
added grant type for refresh token
added method to refresh an access token with the given token and optional scopes
extended auth service to refresh an access token with the given one
[enhancement] implemented method to delete an address
added exception handling and fixed typo in comment
Merge pull request #49 from jtodea/refreshToken

Refresh token
changed scim schema version to 0.33 release
Release version 0.11-SNAPSHOT
changed scim version to snapshot