observe-sequence tests pass on safari and ie8
baby steps
clarify comments
move isVoidElement to HTML package; a couple tests
internal tokenizer docs
parse open tags from tokenizer into IR
parse actual nested HTML tags
implement and use HTML.typeOf
parseFragment
baby steps for HTML parser / template integration
test beautification with uglify
keep attributes out of end tags in tokenizer

other minor stuff
first cut of template tag tokenization (untested)
Allow negative number literals in Spacebars

(the templating_tests changes don't actually fix those tests)
Refix issue #770

{{#with falseyValue}} should render {{else}} content
tests work for basic HTML parser mustache hook
Full SELECT tags; tests pass on all browsers
extract attribute manager for 'selected' property
correctly tokenize mustache tags in HTML
Merge branch 'shark' into shark-render2

Conflicts:
	packages/test-helpers/canonicalize_html.js