Updating Dockerfile and Dockerrun.aws.json to point at release

docker/0.6/Dockerfile

@@ -36,7 +36,7 @@ VOLUME /var/lib/mysql
 WORKDIR /mattermost
 
 # Copy over files
-ADD https://github.com/mattermost/platform/releases/download/v0.6.0-rc2/mattermost.tar.gz /
+ADD https://github.com/mattermost/platform/releases/download/v0.6.0/mattermost.tar.gz /
 RUN tar -zxvf /mattermost.tar.gz --strip-components=1
 ADD config_docker.json /
 ADD docker-entry.sh /

docker/0.6/Dockerrun.aws.json

@@ -1,7 +1,7 @@
 {
   "AWSEBDockerrunVersion": "1",
   "Image": {
-    "Name": "mattermost/platform:lithium-rc2",
+    "Name": "mattermost/platform:0.6",
     "Update": "true"
   },
   "Ports": [