Initial work to establish archiva-security with UserRepositories concept. Created SecurityStartup to bring startup mechanism back into archiva-security from archiva-webapp. Created a few generic security exceptions to help pass along security problems. Removed xwork-integration requirement from pom.
maven/archiva/branches/archiva-backend-security/archiva-web/archiva-security/pom.xml
maven/archiva/branches/archiva-backend-security/archiva-web/archiva-security/src/test/resources/META-INF/