improve callutilsdialog and qualitydialog

- adds a fancy shape to callutilsdialog/qualitydialog.
- adds few animation.
- keeps the overlay rendered while callutilsdialog/qualitydialog is open.
- adds the file used as mask for the spike.

Change-Id: I51362f986376d57634c9ded2e548043da7da1384
Tuleap: #148
diff --git a/ressources.qrc b/ressources.qrc
index 5c14f7d..23b356d 100644
--- a/ressources.qrc
+++ b/ressources.qrc
@@ -36,5 +36,6 @@
         <file>images/icons/ic_arrow_drop_up_black_9dp_2x.png</file>
         <file>images/icons/ic_arrow_tab_next_black_9dp_2x.png</file>
         <file>images/icons/ic_arrow_tab_previous_black_9dp_2x.png</file>
+        <file>images/spikeMask.png</file>
     </qresource>
 </RCC>