fix: space in package.json mainInput field

Signed-off-by: Simon Bailey <simon@newtriks.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "generator-react-webpack",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "Yeoman generator for ReactJS and Webpack",
   "keywords": [
     "yeoman-generator",

templates/common/_package.json

@@ -7,7 +7,7 @@
   "src": "src",
   "test": "test",
   "dist": "dist",
-  "mainInput": "<% if (reactRouter) { %>main<% } else { %><%= scriptAppName %> <% } %>",
+  "mainInput": "<% if (reactRouter) { %>main<% } else { %><%= scriptAppName %><% } %>",
   "mainOutput": "main",
   "dependencies": {<% if (reactRouter) { %>
     "react-router": "^0.7.0",<% } %>