WIP to add node.js testing
Continued WIP to add node.js testing support.  This commit bypasses Yeti if the --nodejs option was set.
Fixed web-runner to execute tests after the DOM has finished loading
Added new examples
Merge branch 'master' into node
No longer requires a YUI --repo path
Added node.js example
Updated updated tests to work with changes due to the introduction of node support.  Node tests are still needed though.
Fixed bug when executing non-YUI test outside YUI repo
Renamed --repo to --yui-repo
Improved README