Fix sign in for OpenID enabled server.

The functional test Zanata server has OpenID and internal auth
enabled, which changes the login process. Basic internal
sign in still only available.
TODO: Tests for OpenID login.
Update open id artifacts
- remove unused try/catch to match with updated method.
Merge pull request #163 from zanata/openshift

Update openid4java artifacts version
Merge pull request #174 from zanata/signin-with-openid

Fix sign in for OpenID enabled server.