Improves bootstrap layout on forms
Merge extensions into master
Cleans up user/edit a bit
Adds date-time to User model
Merge branch 'master' of github.com:lambdacms/lambdacms-core
Implement default extension list
Replaces lambdaCoreLayout with improved lambdaCmsAdminLayout
Adds dedicated MenuItem datatype
Adds default admin menu list
Merges improved layouts with master