Added options with blacklist and theme. Created a function for changing the extension icon color.

assets/js/components/MainList.react.js

@@ -7,11 +7,22 @@ class MainList extends React.Component
 
     }
 
+    _openOptionsPage()
+    {
+      if (chrome.runtime.openOptionsPage) {
+        // New way to open options pages, if supported (Chrome 42+).
+        chrome.runtime.openOptionsPage();
+      } else {
+        // Reasonable fallback.
+        window.open(chrome.runtime.getURL('options.html'));
+      }
+    }
+
     render()
     {
         return(
             <div className="list-group">
-                <a href="#" className="list-group-item">
+                <a href="#" className="list-group-item" onClick={this._openOptionsPage}>
                     Options
                 </a>
                 <a href="#" className="list-group-item">

assets/js/components/WakaTime.react.js

@@ -3,11 +3,22 @@ var React = require("react");
 var NavBar = require('./NavBar.react');
 var MainList = require('./MainList.react');
 
+var changeExtensionIcon = require('../helpers/changeExtensionIcon');
+
 class WakaTime extends React.Component
 {
     componentDidMount()
     {
-
+      chrome.storage.sync.get({
+        theme: 'light'
+      }, function(items) {
+        if(items.theme == 'light') {
+          changeExtensionIcon();
+        }
+        else {
+          changeExtensionIcon('white');
+        }
+      });
     }
 
     render()