Added 'confirm' language strings
Removed Mongoose Component.schema

This is no longer required.
On-going work around adding a component

- Added styles for left, right and full width components
- Limited the number of components on a block to a maximum of two
- Updated Handlebars helper to add a stripHtml() function
- Added support for rendering HTML in the 'title' and 'body' attributes of
  articles, blocks and components.
Merge branch 'json-edit' of github.com:adaptlearning/adapt_authoring into json-edit

Conflicts:
	frontend/src/core/editor/templates/editorComponent.hbs