Update README.md

removed reference to bind_test (bind_test is really ugly and shouldn't be in the readme
Item facet: setIndex, getIndex methods
Update README.md

Added messenger tutorial
List facet changed to allow items already in DOM
added chagnes log
[Luis] when item already exist in dom add to item facet the list reference
Added walkTree util function.
[Evgeny, Jason] change_data breakes to batches using batch IDs
[Evgeny, Jason] change_data breakes to batches using "finished" message as it was before previous commit
change_data: remove unused functions
Added tutorials to examples. They are made in such a way as to be easy to parse to upload to a code sharing service.
[Luis] now component can check first with parent component if the component dropped is allowed or not
change_data: ensuring that transactions are terminated and unbroken
[Luis] fix checkparent
Model: del method of model
Model/ModelPath refactor; ModelFacet: method del added
added repocop.json
Minder tutorial progress.
config: debug option
Merge branch 'master' into async

Conflicts:
	lib/components/c_facets/Data.js
	lib/components/ui/ComboList.js
	milo.bundle.js