Merge pull request #209 from alifirat/master

Add new css property text-anchor
Runtime: fix caml_gr_text_size (graphics)
toplevel: clean
Lib: Tyxml_js, add type equality
update opam
Runtime: fix text baseline in graphics.js
Runtime: fix text baseline in graphics.js
Compiler: fix with latest 4.02
Compiler: fix stackoverflow
Toplevel: disable camlp4 with 4.02
update README
beuh
Add borderRadius css property