Merge pull request #4 from sosandstrom/master

update from master
Update pom.xml
update
Merge pull request #5 from sosandstrom/master

checkout the last udpate
add whitelist access_token not from provider
add whiteList accessTokens
add providerUserId service and managing white list access tokens from app layer
Merge pull request #6 from sophea/master

non-expiring "system" access tokens to be accepted