add stylus syntax highlighting
more illegals. better function name and attribute selectors
Merge branch 'master' of github.com:scien/highlight.js into stylus

Conflicts:
	AUTHORS.en.txt
	docs/css-classes-reference.rst
	src/test.html
Removed Stylus' canonical name from aliases, listed it in class reference.
Adding Bryant Williams to AUTHORS.ru.txt
Noting Stylus in CHANGES.md