Switch to YAML Syntax for Logging

This patch switches to using a much more readable YAML syntax for the
logging configuration in the HTML5 client.

bigbluebutton-html5/private/config/settings.yml

@@ -428,9 +428,20 @@ public:
       - pencil
       - hand
   clientLog:
-    server: { enabled: true, level: info }
-    console: { enabled: true, level: debug }
-    external: { enabled: false, level: info, url: https://LOG_HOST/html5Log, method: POST, throttleInterval: 400, flushOnClose: true, logTag: "" }
+    server:
+      enabled: true
+      level: info
+    console:
+      enabled: true
+      level: debug
+    external:
+      enabled: false
+      level: info
+      url: https://LOG_HOST/html5Log
+      method: POST
+      throttleInterval: 400
+      flushOnClose: true
+      logTag: ""
 private:
   app:
     host: 127.0.0.1