Use .bind when autobinding

This eliminates all of the `boundMethod` frames from call stacks when debugging and as far as I know should behave the same otherwise.

Test Plan: jest
Merge pull request #1924 from spicyj/autobind-bind

Use .bind when autobinding
ReactTransitionChildMapping comment typo
v0.11.1 release materials, update to 0.11.0 release materials

* 0.11.1 blog post, changelog
* Update to 0.11.0 post, changelog
* Update version in site, add starter kit
Merge pull request #1929 from zertosh/master

ReactTransitionChildMapping comment typo
Delete ImmutableObject-test.js

Our syncing doesn't update these tests so just remove them.
Partially revert React.createDescriptor

We still have some issues to work out when the type argument is a mock.