Include files rebuilt by bundling and minification upon opening VS

.gitignore

@@ -25,6 +25,10 @@ bld/
 
 # Visual Studio 2015 cache/options directory
 .vs/
+
+# Files created by bundling and minification on startup
+src/Web/WebMVC/wwwroot/js/site*
+
 # Uncomment if you have tasks that create the project's static files in wwwroot
 **/wwwroot/lib/
 !/wwwroot/lib/signalr