Replaced logos in slides.
Removed unused images.
Improved YAML config, added feedback slide.
Improved Guzzle POST example.
Added examples for primitive cURL POSTing.
REmoved empty line in code.
Added core mentoring slide.
Merge branch 'drupalcon-prague-2013' of github.com:linclark/d8-rest-slides

Conflicts:
	index.html