- Make sure to send the subdirectory when restarting a build

- Make sure to use the subdirectory to read the Dockerfile's location in a build package, and display the path
- Nicer UI for showing the trigger description in the build view
- Fix an NPE in the file change tree

static/js/app.js

@@ -2672,7 +2672,8 @@ quayApp.directive('triggerDescription', function () {
     transclude: false,
     restrict: 'C',
     scope: {
-      'trigger': '=trigger'
+      'trigger': '=trigger',
+      'short': '=short'
     },
     controller: function($scope, $element) {
     }