Added react lint support and fixed possible NaN

Signed-off-by: FrenchBen <me@frenchben.com>

.eslintrc

@@ -1,5 +1,8 @@
 root: true
 
+plugins:
+    - react
+
 ecmaFeatures:
     modules: true
     jsx: true

package.json

@@ -65,7 +65,8 @@
     "babel": "^5.1.10",
     "babel-jest": "^5.2.0",
     "electron-prebuilt": "^0.27.3",
-    "eslint": "^1.0.0",
+    "eslint": "^1.3.1",
+    "eslint-plugin-react": "^3.3.0",
     "grunt": "^0.4.5",
     "grunt-babel": "^5.0.1",
     "grunt-chmod": "^1.0.3",

src/components/ContainerHome.react.js

@@ -46,7 +46,7 @@ var ContainerHome = React.createClass({
 
   render: function () {
     if (!this.props.container) {
-      return;
+      return '';
     }
 
     let body;
@@ -70,6 +70,9 @@ var ContainerHome = React.createClass({
         }
 
         sum = sum / this.props.container.Progress.amount;
+        if (isNaN(sum)) {
+          sum = 0;
+        }
 
         body = (
           <div className="details-progress">