Support latest Visual Studio 2017 (15.9.x) (#329)

diff --git a/template/cordova/lib/MSBuildTools.js b/template/cordova/lib/MSBuildTools.js
index 2a0de96..ae43ad1 100644
--- a/template/cordova/lib/MSBuildTools.js
+++ b/template/cordova/lib/MSBuildTools.js
@@ -113,7 +113,7 @@
 function findAllAvailableVersionsFallBack () {
     // console.log('findAllAvailableVersionsFALLBACK');
 
-    var versions = ['15.5', '15.0', '14.0', '12.0', '4.0'];
+    var versions = ['15.9', '15.5', '15.0', '14.0', '12.0', '4.0'];
     events.emit('verbose', 'Searching for available MSBuild versions...');
 
     return Q.all(versions.map(checkMSBuildVersion)).then(function (unprocessedResults) {