v0.8.7 use of getApiServerUrl() instead of hard coded value

smartapps/myAutomaticServiceMgr

@@ -68,7 +68,7 @@ def about() {
  		section("About") {	
 			paragraph "MyAutomaticServiceMgr, the smartapp that connects your Automatic connected vehicle(s) to SmartThings via cloud-to-cloud integration" +
 				" and polls your Automatic device's events on a regular interval"
-			paragraph "Version 0.8.6\n\n" +
+			paragraph "Version 0.8.7\n\n" +
 			"If you like this app, please support the developer via PayPal:\n\[email protected]\n\n" +
 			"Copyright©2015 Yves Racine"
 			href url:"http://github.com/yracine", style:"embedded", required:false, title:"More information...", 
@@ -647,7 +647,7 @@ def getChildNamespace() { "yracine" }
 
 def getChildName() { "My Automatic Device" }
 
-def getServerUrl() { return "https://graph.api.smartthings.com" }
+def getServerUrl() { return getApiServerUrl()  }
 
 def getSmartThingsClientId() { "insert your public key here!" }