conference : UI implementation

- add a button on to add people
- add a button to join call with a parent
(launched with add people button)
- reuse transferdialog to present the information for add people
- rename transferdialog to callutilsdialog
- add a method to set the current distant renderer instead of being
dependant of LRC signals
- various code clean-up

Tuleap: #29
Change-Id: I7f8875011702b586f2155e87c60f43f806494e65
diff --git a/callutilsdialog.ui b/callutilsdialog.ui
new file mode 100644
index 0000000..f2cb59a
--- /dev/null
+++ b/callutilsdialog.ui
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>CallUtilsDialog</class>
+ <widget class="QDialog" name="CallUtilsDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>268</width>
+    <height>385</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>4</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>1</number>
+   </property>
+   <item>
+    <widget class="QListView" name="contactView"/>
+   </item>
+   <item>
+    <widget class="QLineEdit" name="numberBar">
+     <property name="placeholderText">
+      <string>or type number...</string>
+     </property>
+     <property name="clearButtonEnabled">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QPushButton" name="transferButton">
+     <property name="text">
+      <string>Transfer</string>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>