fa-header-footer-layout, first pass
feat: implement fa-header-footer-layout
clean-up
test: basic coverage for fa-header-footer-layout
add famous/surfaces/ContainerSurface to import list
update submodule shas for version bump
version bump to 0.0.16
update readme
Merge branch 'master' of https://github.com/Famous/famous-angular into thuongvu/docs

Conflicts:
	famous-angular-docs
	famous-angular-examples
docs: add click, tap, index
docs: edit faAnimation + faScrollView
docs: edit fa-modifier