ui : improve configuration menu and contactView

- new icon for settings menu in mainwindow.
- adds animations between navwidgets.
- improves look of contactView.
- improves look of quality dialog.
- removes code for bars not used anymore.
- removes some qdebug left.
- fixes paths icons.

Tuleap: #148
Change-Id: I9f04e9c8d13c2064bfc006d95d2dd1c166160092
diff --git a/videooverlay.ui b/videooverlay.ui
index c1567da..b13d36c 100644
--- a/videooverlay.ui
+++ b/videooverlay.ui
@@ -339,7 +339,7 @@
        </property>
        <property name="icon">
         <iconset resource="ressources.qrc">
-         <normaloff>:/images/ic_voicemail_white.svg</normaloff>:/images/ic_voicemail_white.svg</iconset>
+         <normaloff>:/images/icons/ic_voicemail_white_24dp_2x.png</normaloff>:/images/icons/ic_voicemail_white_24dp_2x.png</iconset>
        </property>
        <property name="iconSize">
         <size>
@@ -371,7 +371,7 @@
        </property>
        <property name="icon">
         <iconset resource="ressources.qrc">
-         <normaloff>:/images/icons/ic_videocam_off_white_24dp.png</normaloff>:/images/icons/ic_videocam_off_white_24dp.png</iconset>
+         <normaloff>:/images/icons/ic_high_quality_white_24dp.png</normaloff>:/images/icons/ic_high_quality_white_24dp.png</iconset>
        </property>
        <property name="iconSize">
         <size>