Clean up code, demo and styles.

Author: marnusw

.eslintrc

@@ -190,7 +190,7 @@
     "react/jsx-uses-react": 2,       // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-uses-react.md
     "react/jsx-uses-vars": 2,        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-uses-vars.md
     "react/no-did-mount-set-state": [2, "allow-in-func"], // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-did-mount-set-state.md
-    "react/no-did-update-set-state": 1, // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-did-update-set-state.md
+    "react/no-did-update-set-state": 2, // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-did-update-set-state.md
     "react/no-multi-comp": 2,        // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-multi-comp.md
     "react/no-unknown-property": 2,  // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-unknown-property.md
     "react/prop-types": 0,           // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/prop-types.md

.gitignore

@@ -4,3 +4,5 @@ npm-debug.log
 
 # Exclude compiled files
 lib
+
+demo/assets/app.js