move prototypes outside of class definition

src/components/AuthImage.js

@@ -6,17 +6,6 @@ import PouchDB from 'pouchdb';
 // const debug = createDebug('d3d:FileThumb');
 
 class AuthImage extends React.Component {
-  static propTypes = {
-    dispatch: PropTypes.func,
-    src: PropTypes.string.isRequired,
-    token: PropTypes.string,
-    password: PropTypes.string
-  };
-
-  state = {
-    src: null
-  }
-
   componentWillMount() {
     const { src, token, password } = this.props;
 
@@ -57,6 +46,16 @@ class AuthImage extends React.Component {
     return (<img { ...props } src={this.state.src} />);
   }
 }
+AuthImage.propTypes = {
+  dispatch: PropTypes.func,
+  src: PropTypes.string.isRequired,
+  token: PropTypes.string,
+  password: PropTypes.string
+};
+AuthImage.state = {
+  src: null
+};
+
 
 export default connect(state => ({
   token: state.user.session.token,