Fix entering of docker file folders manually, and show the linked docker file in the build trigger view

static/directives/resource-view.html

@@ -1,7 +1,5 @@
 <div class="resource-view-element">
-  <div class="resource-spinner" ng-class="resource.loading ? 'visible' : ''">
-    <div class="small-spinner"></div>
-  </div>
+  <div class="quay-spinner" ng-show="resource.loading"></div>
   <div class="resource-error" ng-show="!resource.loading && resource.hasError">
     {{ errorMessage }}
   </div>

static/directives/trigger-description.html

@@ -2,6 +2,13 @@
   <span ng-switch-when="github">
     <i class="fa fa-github fa-lg" style="margin-right: 6px" title="GitHub" bs-tooltip="tooltip.title"></i>
     Push to GitHub repository <a href="https://github.com/{{ trigger.config.build_source }}" target="_new">{{ trigger.config.build_source }}</a>
+    <div style="margin-top: 4px; margin-left: 26px; font-size: 12px; color: gray;">
+    <span ng-if="trigger.config.subdir">Dockerfile:
+      <a href="https://github.com/{{ trigger.config.build_source }}/tree/master/{{ trigger.config.subdir }}/Dockerfile" target="_blank">
+        //{{ trigger.config.subdir }}/Dockerfile
+      </a>
+    </span>
+    </div>
   </span>
   <span ng-switch-default>
     Unknown

static/directives/trigger-setup-github.html

@@ -29,7 +29,7 @@
     <div class="slideinout" ng-show="currentRepo">
       <div style="margin-top: 10px">Dockerfile Location:</div>
       <div class="dropdown-select" placeholder="'(Repository Root)'" selected-item="currentLocation"
-           lookahead-items="locations">
+           lookahead-items="locations" handle-input="handleLocationInput(input)">
         <!-- Icons -->
         <i class="dropdown-select-icon none-icon fa fa-folder-o fa-lg"></i>
         <i class="dropdown-select-icon fa fa-folder fa-lg"></i>