Update grunt:selector task to handle new Sizzle EXPOSE block
Fixes indentation in grunt.js
Update Sizzle: fixes author of a previous commit
Follow the style guide, lose 72 bytes! Closes gh-840.
Update Sizzle: compress/edge case pull from gibson and a fix :not/:has with spaces
Fix #11971 unit test in browsers lacking backgroundPositionX.

Closes gh-850.
Fix #11962. Standardize getter return values for empty sets.
Update Sizzle: fixes an issue with an escape character in the id of a context
Sizzle: fix failing test in IE: malformed HTML
Fix #10517. before() and after() on disconnected node should return multiple nodes. Closes gh-851.
Sizzle: necessary changes for Advanced Closure compiler support
Adjust jshint options to pass with closure 'sub' changes
You can't hurry tests, no, you just have to wait.

The 100ms here is just too fast and flakey, it causes random fails in swarmy runs.
Tagging the 1.8b2 release.
Updating the source version to 1.8pre
Remove a few stray spaces in unit tests.
README: Add  to the full list of optional modules. Closes gh-855
README: Adds missing  commands to setup instructions. Closes gh-854
Fixes a variety of typographical problems. Closes gh-853
grunt custom saves minified version automattically. Close gh-856, Fixes #12059