Fix subdomain, add test, space and comment fix
Support default value for controller’s params get
Clean json config. Fix DefaultStrings
Merge pull request #965 from shuoli84/develop

Fix subdomain, add test, space and comment fix
fix the cache test
Update comments for controller's GetXXX functions
improve the empty router
Merge pull request #971 from athurg/get_request_params_with_default

Support default value for controller’s params get