Generate new hash using html5 block names
Add a few more html5 blocks
Add file used to generate html_blocks.h
Merge branch 'master' into html5
Add tests
Add changelog entry
Merge branch 'master' into html5

Conflicts:
	CHANGELOG.md
Remove source file for html_blocks.h
Remove tests from specs. Change to Ruby tests
Merge pull request #331 from silverhammermba/html5

Recognize HTML5 Block-Level Elements