Disable artifactoryPublish for projects without artifacts
SEC-2096: Update to Spring 3.2.0.RELEASE
SEC-2096: Added release-checks
SEC-2107: Fix Javadoc on methods of AbstractAuthenticationProcessingFilter

Both overloads of
AbstractAuthenticationProcessingFilter.successfulAuthentication()
claimed to invoke SessionAuthenticationStrategy, which is not true, as
the invokation happens earlier in doFilter(). The Javadoc on these
methods are updated to reflect the actual code.
Merge pull request #22 from zagyi/SEC-2107

SEC-2107: Fix Javadoc on methods of AbstractAuthenticationProcessingFilter