move docs tooling from JSX in Depth

Also removes the code wrap around the syntax highlighting link.
Merge pull request #492 from chenglou/move-tooling

move docs tooling from JSX in Depth
Make state immutable in tutorial (eek)
JSXTransformer now supports IE8
Merge pull request #484 from syranide/jsxie8

IE8 support for JSXTransformer
Fixes the name of the component on documentation

AvatarImage -> Avatar
NEW sauce-tunnel grunt task
desiredCapabilities webdriver config
fixup sauce-tunnel
ignore tunnel logs
NEW saucelabs webdriver task
better error handling for jasmine task
Suppress encoding warning in Firefox
postDataToURL using ajax instead of DOM
no need to pass jasmine through jsx
remove old browser logger
user JSON encoding for browser logger

Fixes a strange issue in IE
sped up the webdriver tests
name local saucelabs tests too
cleanup