add user table to structure
add form to signIn
add form to logout
add Denkmal_Role
add Denkmal_App_Auth
add Denkmal_Model_User
update internals
add default admin user to update script
add cmp singIn
add cmp logout
add Denkmal_Model_User to config
add Admin_Page_Error_AuthRequired
add logout button to header
add checkAccessible to all admin cmps
changed form field to password
Merge branch 'master' of github.com:denkmal/denkmal.org into issue-53
update cm to 1.2.40
renamed Logout to Abmelden
renamed labels in signIn
renamed singIn to Login