Adding self-defining request microtime
Display the toolbar only for a HTML response (fix)

onCollected callback did return prematurely for valid Content-Type header so the toolbar wasn't injected
doc uri points to release or corresponding dev branch at zf2.readthedoc.org
Adding link to current docs
Merge pull request #66 from zendframework/feature/doc-url

Docs URL fix
Merge pull request #60 from Ocramius/feature/auto-request-microtime

Adding self-defining request microtime
Merge pull request #62 from michalswietochowski/master

Display the toolbar only for a HTML response (fix)