renamed CmsCRUDController to CRUDController
added visibility attribute to  menu items, now they can be public or protected (i.e. shown only when user logged in)
only use multi action toggle if there are more than two actions
remove unused template
refactor twig extension function names
use standard mops form field design for all form fields
bind form fields on PRE_SET_DATA
reorder list actions
Use networking CRUDController
added translations
minor layout changes
recenter modal windows on show
remove custom styles for page modal window, get editor configured earlier
implement new method to get content type name