highlightView doesn't correctly position the overlay unless window.scrollx and window.scrollY are added to `top` and `left` as described in https://developer.mozilla.org/en-US/docs/Web/API/element.getBoundingClientRect
Merge pull request #47 from craigteegarden/fix-highlightView-scroll-offset

highlightView doesn't correctly position the overlay unless window.scrol...
Use JSON.parse instead of eval
Improve Application detection and EmberDebug reset.

Fixes #48
Upgrade to Ember RC8
Bump package.json version patch to 0.0.3
Update README to include link to web store
Notify the client application of the extension's existence
Add helpful message when application is not detected.

Design by @sea-jay
Merge pull request #52 from teddyzeenny/not-detected

Add helpful message when application is not detected.
Addresses Data adapter error message issue raised in #62

- Fixes style bug
- Makes title wider
- Fix header's padding
- Remove confusing Data error description
- Tweak component description
Merge pull request #64 from locks/data-panel-error

Addresses Data adapter error message issue raised in #62