stub out the README more via yeoman
add JSHint & JSCS configs
add editorconfig via yeoman
add package.json via yeoman
add CONTRIBUTING via yeoman
add stub source via yeoman
add test fixtures for doctype check
add meta charset checker test fixtures
add meta X-UA-Compatible checker test fixtures
add Bootstrap v2 checker test fixture
add container presence checker test fixtures
add Gruntfile via yeoman
fix #4