build: add gradle release configuration

* update key store name
* fix brazilian translation mapping

Tuleap: #124
Change-Id: I705f2fc9cde9115f4e4c1d50e9b9611f38ef86e5
diff --git a/.tx/config b/.tx/config
index 28b07b5..233d797 100644
--- a/.tx/config
+++ b/.tx/config
@@ -1,5 +1,6 @@
 [main]
 host = https://www.transifex.com
+lang_map = pt_BR:pt-rBR
 
 [ring.android]
 file_filter = ring-android/app/src/main/res/values-<lang>/strings.xml