Update and rename vsts-ci.yml to azure-pipelines.yml

Author: David Staheli

vsts-ci.yml azure-pipelines.ymlvsts-ci.yml renamed to azure-pipelines.yml

@@ -1,7 +1,7 @@
 # Maven
 # Build your Java projects and run tests with Apache Maven.
 # Add steps that analyze code, save build artifacts, deploy, and more:
-# https://docs.microsoft.com/vsts/pipelines/languages/java
+# https://docs.microsoft.com/azure/devops/pipelines/languages/java
 
 pool:
   vmImage: 'Ubuntu 16.04'