exposed the editor stack so users can tap into it an add their own functions as shown with the ui
Merge branch 'howling-mad' of github.com:alohaeditor/Aloha-Editor into howling-mad
added boundaries demo
added examples for boundaries
added examples to insert text and nodes
fixed typo
added boromir demo
updated examples, added codemirror
Merge remote-tracking branch 'alohaeditor/howling-mad' into howling-mad-demo

Conflicts:
	src/aloha.js
styled examples
Merge remote-tracking branch 'alohaeditor/howling-mad' into howling-mad-demo
fixed implementation of execute example code
added the caret to examples where needed instead of using a global caret
updated boromir examples with codemirror
Merge remote-tracking branch 'alohaeditor/howling-mad' into howling-mad-demo

Conflicts:
	src/aloha.js
fixed a bug that would execute the editor stack twice
Correctly associate editable in editor stack