Use marked instead of ronn for html docs

package.json

@@ -138,6 +138,7 @@
     "which"
   ],
   "devDependencies": {
+    "marked": "~0.3.2",
     "npm-registry-mock": "~0.6.3",
     "ronn": "~0.3.6",
     "tap": "~0.4.9"

scripts/doc-build.sh

@@ -55,13 +55,13 @@ case $dest in
   *.html)
     url=${dest/html\//}
     (cat html/dochead.html && \
-     ./node_modules/.bin/ronn -f $src &&
+     cat $src | ./node_modules/.bin/marked &&
      cat html/docfoot.html)\
     | sed "s|@NAME@|$name|g" \
     | sed "s|@DATE@|$date|g" \
     | sed "s|@URL@|$url|g" \
     | sed "s|@VERSION@|$version|g" \
-    | perl -pi -e 's/<h1>([^\(]*\([0-9]\)) -- (.*?)<\/h1>/<h1>\1<\/h1> <p>\2<\/p>/g' \
+    | perl -pi -e 's/<h1([^>]*)>([^\(]*\([0-9]\)) -- (.*?)<\/h1>/<h1>\2<\/h1> <p>\3<\/p>/g' \
     | perl -pi -e 's/npm-npm/npm/g' \
     | perl -pi -e 's/([^"-])(npm-)?README(?!\.html)(\(1\))?/\1<a href="..\/..\/doc\/README.html">README<\/a>/g' \
     | perl -pi -e 's/<title><a href="[^"]+README.html">README<\/a><\/title>/<title>README<\/title>/g' \