Added documentation for installing on Opera
Merge pull request #120 from WMeldon/opera-docs

Added documentation for installing on Opera
view-tree now uses list-view
Fix chrome repaint issue when using list-view
Fix hierarchy padding issue
Add ability to send objects directly to the console from the view tree.

Fixes #97
Refactor send-to-console into a component
Fix minor issues with the view tree layout
Remove promise_item file
ember_extension tests passing
Refactor routes to use list-view
Route tree tests passing
Use list-view for the Data tab
Fix style of data records
Fix bug with deleting a record in data tab
Send route handlers directly to console
use postMessage to exchange messages between firefox addon and devtool panel code