update grails.plugins.springsecurity to grails.plugin.springsecurity http://grails-plugins.github.io/grails-spring-security-core/docs/manual/guide/newInV2.html
Merge branch 'config_update' of github.com:BigManApproved/grails-spring-security-facebook into BigManApproved-config_update

Conflicts:
	src/groovy/com/the6hours/grails/springsecurity/facebook/DefaultFacebookAuthDao.groovy
Merge branch 'BigManApproved-config_update' into core2