PWV-73 Determine missing timepoint studies

- Display timepoint availability based on its studies' availability
- Display study availability in study level when timepoint is loaded

Packages/ohif-lesiontracker/client/components/timepointBrowser/list.styl

@@ -78,6 +78,16 @@
     theme('color', '$textPrimaryColor')
     padding-top: 2px
 
+  .timepoint-study-availability
+    .studies-not-ready
+      color: gray
+    .studies-not-available
+      color: red
+    .studies-partially-available
+      color: yellow
+    .studies-fully-available
+      color: green
+
 .series-quick-switch .timepoint-browser-list
   padding: 0 10px