l18n: bump translations

Tuleap: #196
Change-Id: I1b92b6fdb81b53905ae4f10a0ca1b5b56cd63712
diff --git a/update-translations.sh b/update-translations.sh
index cd57807..36c849e 100755
--- a/update-translations.sh
+++ b/update-translations.sh
@@ -1,2 +1,2 @@
 #!/bin/bash
-tx pull -af --minimum-perc=75
+tx pull -af --minimum-perc=50