releasing 2.0.2.1-alpha-1
Get shib attributes from environment variables first if available.
Merge pull request #10 from iceglow/envvars

Get shib attributes from environment variables first if available.
integrating patch from @erkkiaalto in https://github.com/chauth/confluence_http_authenticator/issues/2
updated pom with new developers
releasing 2.3.0
incrementing pom version to 2.3.1-SNAPSHOT