the get/set from property into simplehash were too big to get inlined.  I added these little methods to bypass the larger ones.
Merge branch 'master' into observable_property_inline
test
new inline

Conflicts:
	lib/batman.js
	lib/dist/batman.node.js
	src/observable/observable.coffee
missed a comment.
Merge pull request #708 from Shopify/observable_property_inline

the get/set from property into simplehash were too big to get inlined. ( v8 optimization )