Reorganize all content to optimize workflow for new devs.

Fixed #10.
Split up main about page and tech. architecture details.
Fix a few broken links.
Fix layout of all project pages.
Move most text from index to the about page.
adding contact info to CONTRIBUTORS file
Pull simplified frontpage blocks from Josh's branch.
Pull a blurb about the arch. diagram from Josh's branch.
Merge branch 'gh-pages' into next

Conflicts:
	images/use_diagram.png
	projects/index.mkd
	projects/simulator.mkd
adding favicon.ico as well as missed markdown file which contains the step-by-step guide linked to in the previous pull request.
Add a favicon with a transparent background.
Merge branch 'next' into pr/35

Conflicts:
	index.html
Merge step-by-step guide into redesigned structure.
Point old getting started links to new path.
-point old link to new path for Android Host Device
-point old link to new path for Troubleshooting
point old link to new location for 'openxc android library'
Point old link to new location for troubleshooting
updated link to new path
updated link to the enabler