New Tag
Adds mode switching
Adds preload and postload hooks
Adds preview loading
Fix for Safari 4
Adds tag version
Add tag tests to grunt
Update .gitignore to ignore localConfig.json
Refactor Tests
Fix race conditions in tests.
Fix postMessage assert issues on FF4
Add sessionStorage mode support
A few changes:

    - Stores options as Mobify.options so they can
    be easily read by preview.

    - Removes mode switching by sessionStorage

    - Adds preview triggering by sessionStorage
Adds comments
Adds `skipPreview`. Adds timing information.
Inline Fixtures
Fixes problem with 404s
Merge branch 'v2.0' into new-tag

Conflicts:
	Gruntfile.js
- Updating grumpycat example with new tag.
- Using closure to make minified tag smaller
- Changing capture.js to know about postload string
Changing options for grumpycat example