When the content type isn't set, default to html (which is consistent with java's behavior
When the content type isn't set, default to html (which is consistent with java's behavior

git-svn-id: 3f2e04d30bd9db331bbfc569b45e7de8c0d84ef0@800057 13f79535-47bb-0310-9956-ffa450edef68

apparentlymart/shindig,apparentlymart/shindig,apache/shindig,apache/shindig,apache/shindig,apparentlymart/shindig,apache/shindig,apache/shindig,apparentlymart/shindig