Fix handle_secondlifeprotocol.sh, and sync with v-d.

More translation strings~
Log inventory offers to those we're not chatting with.
"SDL deiconification state switched to " now lldebugs instead of llinfos, far too spammy..

(Pre-outbox commit, may contain pieces of outbox work.. and unmentioned harmless sync)

indra/newview/linux_tools/handle_secondlifeprotocol.sh

@@ -13,5 +13,5 @@ fi
 RUN_PATH=`dirname "$0" || echo .`
 cd "${RUN_PATH}"
 
-exec ./snowglobe -url \'"${URL}"\'
+exec ./singularity -url \'"${URL}"\'