[Task] in case of error also checked for for OAuthError
Merge pull request #92 from davidmoebius/OSNG-466

Osng 466
[cleanup] Clean up and clarify the README.md
Merge pull request #94 from wallner/refactor/cleanup_readme

[cleanup] Clean up and clarify the README.md
[cleanup] Fix spelling mistake
Merge pull request #95 from wallner/cleanup/spelling

Cleanup/spelling
[enhancement] bumped jersey client dependency version
Merge pull request #96 from dacrome/bumped-dependency-versions

Bumped dependency versions
added connector method for access token revocation
Merge pull request #97 from tkanera/osng-444

OSNG-444: connector method for access token revocation
[fix] register the HttpAuthenticationFeature on the Client isntead of the WebTarget

this prevents Jersey from leaking cloned instaces of org.glassfish.jersey.client.ClientConfig.State
on each request - see: https://java.net/jira/browse/JERSEY-2378