refactor: code structure

1. move folders from /usr/* to /usr/local/*
2. supervisord controls everything

image/usr/local/lib/web/config/__init__.py

@@ -0,0 +1,15 @@
+class Default(object):
+    DEBUG = True
+
+
+class Development(Default):
+    PHASE = 'development'
+
+
+class Staging(Default):
+    PHASE = 'staging'
+
+
+class Production(Default):
+    PHASE = 'production'
+    DEBUG = False