- 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/partials/build-package.html

@@ -37,6 +37,7 @@
     <div class="tab-content">
       <!-- Dockerfile view -->
       <div class="tab-pane active" id="dockerfile">
+        <div class="dockerfile-path">{{ dockerFilePath }}</div>
         <div class="dockerfile-view" contents="dockerFileContents"></div>
         <span ng-show="!dockerFileContents">No Dockerfile found in the build pack</span>
       </div>