update default layout
Merge pull request #344 from mapbox/staging

update default layout
update default layout
Updating default to shareship latest
updated footer
Update default layout.
move changelog to repo
update caps
remove Xcode version refs
update docs re: retina on server
update API script for caps
update web & Xcode docs
Merge branch 'gh-pages' into newmast

Conflicts:
	_layouts/default.html