Update example apps to use non deprecated method

Author: daniellevass

src/main/java/com/pusher/client/example/ExampleApp.java

@@ -47,7 +47,7 @@ public ExampleApp(final String[] args) {
 
         // configure your Pusher connection with the options you want
         final PusherOptions options = new PusherOptions()
-                .setEncrypted(true)
+                .setForceTLS(true)
                 .setCluster(cluster);
         Pusher pusher = new Pusher(channelsKey, options);
 

src/main/java/com/pusher/client/example/PresenceChannelExampleApp.java

@@ -56,7 +56,7 @@ private PresenceChannelExampleApp(final String[] args) {
 
         // configure your Pusher connection with the options you want
         final PusherOptions options = new PusherOptions()
-                .setEncrypted(true)
+                .setForceTLS(true)
                 .setCluster(cluster)
                 .setAuthorizer(authorizer);
         Pusher pusher = new Pusher(channelsKey, options);

src/main/java/com/pusher/client/example/PrivateChannelExampleApp.java

@@ -54,7 +54,7 @@ public static void main(final String[] args) {
 
         // configure your Pusher connection with the options you want
         final PusherOptions options = new PusherOptions()
-                .setEncrypted(true)
+                .setForceTLS(true)
                 .setCluster(cluster)
                 .setAuthorizer(authorizer);
         Pusher pusher = new Pusher(channelsKey, options);

src/main/java/com/pusher/client/example/PrivateEncryptedChannelExampleApp.java

@@ -60,7 +60,7 @@ private PrivateEncryptedChannelExampleApp(final String[] args) {
         final PusherOptions options = new PusherOptions()
                 .setCluster(cluster)
                 .setAuthorizer(authorizer)
-                .setEncrypted(true);
+                .setForceTLS(true);
         Pusher pusher = new Pusher(channelsKey, options);
 
         // set up a ConnectionEventListener to listen for connection changes to Pusher