If a group starts with "Singularity ", mark it as a support session

This is probably not the best way to go about this, but since we're
not in control of support groups on other grids, and we have support
groups in other languages we don't run on Second Life, this is better
than maintaining a list of IDs somewhere.

indra/newview/llimpanel.cpp

@@ -65,6 +65,7 @@
 #include "llviewerwindow.h"
 #include "llvoicechannel.h"
 
+#include <boost/algorithm/string.hpp>
 #include <boost/lambda/lambda.hpp>
 
 // [RLVa:KB] - Checked: 2013-05-10 (RLVa-1.4.9)
@@ -331,7 +332,9 @@ LLFloaterIMPanel::LLFloaterIMPanel(
 		{
 			static LLCachedControl<bool> concise("UseConciseGroupChatButtons");
 			xml_filename = concise ? "floater_instant_message_group_concisebuttons.xml" : "floater_instant_message_group.xml";
-			mSessionType = GROUP_SESSION;
+			bool support = boost::starts_with(mLogLabel, LLTrans::getString("SHORT_APP_NAME") + ' ');
+			// Singu Note: We could make a button feature for dumping Help->About contents for support, too.
+			mSessionType = support ? SUPPORT_SESSION : GROUP_SESSION;
 		}
 		else
 		{
@@ -1108,6 +1111,7 @@ void LLFloaterIMPanel::onFlyoutCommit(LLComboBox* flyout, const LLSD& value)
 	{
 		switch (mSessionType)
 		{
+			case SUPPORT_SESSION:
 			case GROUP_SESSION: LLGroupActions::show(mOtherParticipantUUID); return;
 			case P2P_SESSION: LLAvatarActions::showProfile(mOtherParticipantUUID); return;
 			default: onClickHistory(); return; // If there's no profile for this type, we should be the history button.
@@ -1313,6 +1317,8 @@ void LLFloaterIMPanel::onSendMsg()
 					case GROUP_SESSION:	// Group chat
 						fRlvFilter = !RlvActions::canSendIM(mSessionUUID);
 						break;
+					case SUPPORT_SESSION: // Support Group, never filter, they may need help!!
+						break;
 					case ADHOC_SESSION:	// Conference chat: allow if all participants can be sent an IM
 						{
 							if (!mSpeakers)

indra/newview/llimpanel.h

@@ -114,6 +114,7 @@ public:
 	{
 		P2P_SESSION,
 		GROUP_SESSION,
+		SUPPORT_SESSION,
 		ADHOC_SESSION
 	};
 	const SType& getSessionType() const { return mSessionType; }