Re-added security permissions for open pages

The new security core will deny all pages not explicitly allowed.
Added Learning Objectives pages

Added a template call to the create/edit pages to the Learning
objectives pages
Merge branch 'master' of https://github.com/IMOD-ASU/imod into Learning-Objectives

Conflicts:
	grails-app/conf/Config.groovy
	grails-app/views/layouts/main.gsp
Merge pull request #36 from IMOD-ASU/Learning-Objectives

Learning objectives