add google analytics and facebook scripts && improve url share method w/ fb && enforce https in prod

src/Mine/SeekerBundle/Resources/public/js/mine-seeker/app.js

@@ -160,6 +160,27 @@ class MineSeeker extends React.Component {
         }
     }
 
+    /**
+     * @see https://developers.facebook.com/docs/reference/javascript/FB.getLoginStatus
+     * @see https://developers.facebook.com/docs/sharing/reference/send-dialog
+     * @see https://developers.facebook.com/docs/plugins/share-button/
+     */
+    clickFBShare() {
+        let display = 'popup';
+
+        FB.getLoginStatus(function (response) {
+            display = response.status === 'connected'
+                ? 'dialog'
+                : 'popup';
+        });
+
+        FB.ui({
+            method: 'send',
+            display: display,
+            link: window.location.href + '/' + this.state.gameAssoc,
+        });
+    }
+
     wInit(session, data, gridClient) {
         this.setState({session: session});
 
@@ -184,14 +205,17 @@ class MineSeeker extends React.Component {
             overlaySubTitle: this.state.gameAssoc
                 ?
                 <div>
+                    <h3>Share this unique link w/ your opponent</h3>
                     <div className="clippy">
                         <input id="foo"
                                defaultValue={window.location.href + '/' + this.state.gameAssoc}/>
-                        <button className="btn">
-                            <img src="/bundles/mineseeker/images/clippy.svg" alt="Copy to clipboard"/>
-                        </button>
                     </div>
+                    {this.state.env !== 'dev' &&
+                    <a onClick={this.clickFBShare.bind(this)}>Share in Facebook message</a>
+                    }
+                    {this.state.env === 'dev' &&
                     <a href={"/play/" + this.state.gameAssoc} target="_blank">Play w/ me!</a>
+                    }
                 </div>
                 : '',
             renderGridFields: this.state.gameAssoc
@@ -349,7 +373,7 @@ class MineSeeker extends React.Component {
 
     /** After rendering */
     componentDidMount() {
-
+        this.connectWithWebsocket();
     }
 
     /**