i18n: update source files

- Update tx config to include new string files
- Update two labels in xib file

Change-Id: I3871a14d4f15eb6bb41825b8e150faee64a47247
diff --git a/ui/Base.lproj/Conversation.strings b/ui/Base.lproj/Conversation.strings
index d8d262a..18f0e7d 100644
--- a/ui/Base.lproj/Conversation.strings
+++ b/ui/Base.lproj/Conversation.strings
@@ -8,13 +8,13 @@
 /* Class = "NSTextFieldCell"; placeholderString = "Send a message"; ObjectID = "Ilz-7v-2fr"; */
 "Ilz-7v-2fr.placeholderString" = "Send a message";
 
-/* Class = "BindingConnection"; ibShadowedIsNilPlaceholder = "Send a message"; ObjectID = "ZEx-5Y-rtp"; */
+/* Class = "CocoaBindingsConnection"; ibShadowedIsNilPlaceholder = "Send a message"; ObjectID = "ZEx-5Y-rtp"; */
 "ZEx-5Y-rtp.ibShadowedIsNilPlaceholder" = "Send a message";
 
-/* Class = "BindingConnection"; ibShadowedMultipleValuesPlaceholder = "Send a message"; ObjectID = "ZEx-5Y-rtp"; */
+/* Class = "CocoaBindingsConnection"; ibShadowedMultipleValuesPlaceholder = "Send a message"; ObjectID = "ZEx-5Y-rtp"; */
 "ZEx-5Y-rtp.ibShadowedMultipleValuesPlaceholder" = "Send a message";
 
-/* Class = "BindingConnection"; ibShadowedNoSelectionPlaceholder = "Send a message"; ObjectID = "ZEx-5Y-rtp"; */
+/* Class = "CocoaBindingsConnection"; ibShadowedNoSelectionPlaceholder = "Send a message"; ObjectID = "ZEx-5Y-rtp"; */
 "ZEx-5Y-rtp.ibShadowedNoSelectionPlaceholder" = "Send a message";
 
 /* Class = "NSTextFieldCell"; title = "Start the conversation!"; ObjectID = "bsl-nv-Wqq"; */