Updated navigation and editor view
Merge branch 'editor-menu-view' of https://github.com/adaptlearning/adapt_authoring into editor-menu-view

* 'editor-menu-view' of
https://github.com/adaptlearning/adapt_authoring:
  - Removing page schema and using contentObject schema instead -
Updated attributes to title, body, etc; to match framework - Adding
additional page edit fields

Conflicts:
	frontend/src/core/editor/views/editorView.js