Move Debugger.UI components to React components, fixes #3
Add formatter component
Add toggle by escape
Enable tracking of subrequests
Add subrequest component
Fix passthrough formatter and esc behaviour
Finish with subrequests
Fix minor variable reference issue
Remove unused function
Use a simple assert function instead of library
Minor changes: rename Toolbar component to Debugger, change Badge labelling, etc
Add open/close buttons to nested data report
Remove Plack.Debugger.UI
Downgrade to jQuery 1.x to support IE8
Make example run in IE8, fixes #5