OLTU-120 - Invalid URL for Microsoft token endpoint in OAuthProviderType

* applied patch from Jasha Joachimsthal . Thx!

git-svn-id: https://svn.apache.org/repos/asf/oltu/trunk@1526196 13f79535-47bb-0310-9956-ffa450edef68
OLTU-119 Add a css to demo application

improved forms layout

git-svn-id: https://svn.apache.org/repos/asf/oltu/trunk@1526197 13f79535-47bb-0310-9956-ffa450edef68