add AccountBansTab and BannedContactsView

- UI added to manage the banned peers. For now it only shows the
banned peers.

Change-Id: I18d17c8b94e105359a0a2bc5bf3934e05106cc45
Reviewed-by: Guillaume Roguez <guillaume.roguez@savoirfairelinux.com>
diff --git a/ui/accountbanstab.ui b/ui/accountbanstab.ui
new file mode 100644
index 0000000..0b1c0a1
--- /dev/null
+++ b/ui/accountbanstab.ui
@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.20.0 -->
+<interface>
+  <requires lib="gtk+" version="3.10"/>
+  <template class="AccountBansTab" parent="GtkBox">
+    <property name="visible">True</property>
+    <property name="can_focus">False</property>
+    <property name="margin_left">10</property>
+    <property name="margin_right">10</property>
+    <property name="margin_top">10</property>
+    <property name="margin_bottom">10</property>
+    <property name="orientation">vertical</property>
+    <property name="spacing">10</property>
+    <child>
+      <object class="GtkLabel">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="label" translatable="yes">List of banned peers :</property>
+        <property name="use_markup">True</property>
+        <attributes>
+          <attribute name="weight" value="bold"/>
+        </attributes>
+      </object>
+      <packing>
+        <property name="expand">False</property>
+        <property name="fill">True</property>
+        <property name="position">0</property>
+      </packing>
+    </child>
+    <child>
+      <object class="GtkSearchEntry" id="banned_search_entry">
+        <property name="can_focus">True</property>
+        <property name="primary_icon_name">edit-find-symbolic</property>
+        <property name="primary_icon_activatable">False</property>
+        <property name="primary_icon_sensitive">False</property>
+      </object>
+      <packing>
+        <property name="expand">False</property>
+        <property name="fill">True</property>
+        <property name="position">1</property>
+      </packing>
+    </child>
+    <child>
+      <object class="GtkScrolledWindow" id="scrolled_window_bans_tab">
+        <property name="visible">True</property>
+        <property name="can_focus">True</property>
+        <property name="hscrollbar_policy">never</property>
+        <property name="shadow_type">in</property>
+        <property name="min_content_height">225</property>
+        <child>
+          <placeholder/>
+        </child>
+      </object>
+      <packing>
+        <property name="expand">False</property>
+        <property name="fill">True</property>
+        <property name="position">2</property>
+      </packing>
+    </child>
+    <child>
+      <object class="GtkButton" id="button_unban">
+        <property name="label" translatable="yes">unban</property>
+        <property name="sensitive">False</property>
+        <property name="can_focus">False</property>
+        <property name="receives_default">False</property>
+        <property name="halign">center</property>
+      </object>
+      <packing>
+        <property name="expand">False</property>
+        <property name="fill">True</property>
+        <property name="position">3</property>
+      </packing>
+    </child>
+  </template>
+</interface>