Support for per-request authorization of toolbar middleware via config.set_debugtoolbar_request_authorization().
Added ``valid_request`` predicate to toolbar views that authenticate request with IRequestAuthorization utility.
Added request authorization tests
Updated documentation on config.set_debugtoolbar_request_authorization().
Added changes.rst log to documentation.
Added /bin/bash run directive to docs/remake script.
Added myself to CONTRIBUTORS.txt list.
Merged with upstream, fixed conflicts with ``exclude_prefixes`` option feature and fixed tests.
Move info about per-request authorization feature to correct place in CHANGES.txt as it missed the 1.0.4 release.
Merge pull request #88 from hanula/master

Per-request toolbar middleware feature switch