[feature] Add HTML5 serialiser, which does not produce well-formed XHTML but follows the HTML5 syntax: empty elements are not closed; characters in script, style and textarea elements are not escaped; empty attributes do not have a value. Old HTML5 serialiser has been renamed to XHTML5 serialiser.
Merge branch 'develop' into feature/html5
[ignore] xhtml5 serialiser must escape javascript
[testsuite] tests for html5 serialiser
Merge branch 'feature/html5' into develop