Attend to a couple of other spots in VR interpreter where content-typ…

…e ought to be sent for consistency.

lib/router/res.js

@@ -322,6 +322,8 @@ module.exports = function _buildResponse (req, _res) {
         throw new Error('Cannot call res.render() - `req._sails.renderView` was not attached (perhaps `views` hook is not enabled?)');
       }
 
+      res.set('content-type', 'text/html');
+
       // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
       // TODO:
       // Instead of this shim, turn `sails.renderView` into something like
@@ -366,6 +368,9 @@ module.exports = function _buildResponse (req, _res) {
       throw new Error('The 2-ary usage of `res.redirect()` is no longer supported in Express 4/Sails v1.  Please use `res.status(statusCode).redirect(address)` instead.');
     }
 
+    // For familiarity, set content-type header:
+    res.set('content-type', 'text/html');
+
     // Set location header
     res.set('Location', address);