i18n: update translations & configuration

This patch fixes the language map of the tx conf to integrate new lan-
guages.
It sets the minimum-percent to 1.
Finally, it updates the translations.

Change-Id: Ice04c4308ae25d4a54533d7d60cd5943333fc82c
Tuleap: #609
diff --git a/ring-android/app/src/main/res/values-pt/strings.xml b/ring-android/app/src/main/res/values-pt/strings.xml
new file mode 100644
index 0000000..8ad432b
--- /dev/null
+++ b/ring-android/app/src/main/res/values-pt/strings.xml
@@ -0,0 +1,27 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<resources>
+  <!--RingActivity-->
+  <string name="title_section1">Chamada</string>
+  <string name="title_section2">Histórico</string>
+  <!--AB menus-->
+  <!--Left Drawer-->
+  <!--Accessibility-->
+  <!--Sections-->
+  <string name="menu_item_settings">Configurações</string>
+  <!--Dialing Fragment-->
+  <string name="dial_action_call">Chamada</string>
+  <!--History Fragment-->
+  <!--DetailsHistory Fragment-->
+  <!--Home Fragment-->
+  <!--ContactList Fragment-->
+  <!--FileExplorerDFragement-->
+  <!--TransferDFragment-->
+  <!--Notifications-->
+  <string name="notif_incoming_call">Chamada entrante</string>
+  <!--Call Fragment-->
+  <string name="action_call_hold">Espera</string>
+  <string name="action_settings">Configurações</string>
+  <string name="add_to_contacts">Add to contacts</string>
+  <string name="ab_action_contact_add">Add to contacts</string>
+  <!--Text messages-->
+</resources>