add target blank attr
add nofollow ref for non internal links only
test: add nofollow ref for non internal links only
Merge branch 'master' of github.com:gihnius/blackfriday into gihnius-master

Conflicts:
	html.go
	inline_test.go
Merge branch 'gihnius-master'
Merge pull request #70 from mprobst/master

fix: Handle all different token types that the parser can emit (d'oh).