Changing the way we mattermost handles URLs. team.domain.com becomes domain.com/team.

Renaming team.Name to team.DisplayName and team.Domain to team.Name.
So: team.Name -> url safe name. team.DisplayName -> nice name for users

config/config_docker.json

@@ -9,7 +9,6 @@
     },
     "ServiceSettings": {
         "SiteName": "Mattermost",
-        "Domain": "",
         "Mode" : "dev",
 		"AllowTesting" : false,
         "UseSSL": false,
@@ -35,11 +34,7 @@
         "S3AccessKeyId": "",
         "S3SecretAccessKey": "",
         "S3Bucket": "",
-        "S3Region": "",
-        "Route53AccessKeyId": "",
-        "Route53SecretAccessKey": "",
-        "Route53ZoneId": "",
-        "Route53Region": ""
+        "S3Region": ""
     },
     "ImageSettings": {
         "ThumbnailWidth": 200,