Enhancements to Revel command

Reformat of code
Allow user to use a mix of command line arguments and flags
Enhance the import tool to detect missing packages in the modules side
Added test cases for all commands

skeleton/app/views/footer.html

@@ -0,0 +1,5 @@
+  {{if .DevMode}}
+    {{template "debug.html" .}}
+  {{end}}
+  </body>
+</html>