[Voice Update] Start/End call functions

Adds llvoicecallhandler.cpp
Enables the Group and Avatar Actions requiring the voice refactor.
Adds autoStartCallOnStartup, processAgentListUpdates, startCall, and endCall to LLIMMgr.
Gives llimpanel some LLIMModel functionality to see if a floater was opened with the intent of being a call.
Cleans up LLIMPanel with new functions from the voice refactor.

indra/newview/llvoicecallhandler.cpp

@@ -0,0 +1,69 @@
+ /**
+ * @file llvoicecallhandler.cpp
+ * @brief slapp to handle avatar to avatar voice call.
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+#include "llcommandhandler.h"
+#include "llavataractions.h"
+//#include "llnotificationsutil.h"
+//#include "llui.h"
+
+class LLVoiceCallAvatarHandler : public LLCommandHandler
+{
+public:
+	// requires trusted browser to trigger
+	LLVoiceCallAvatarHandler() : LLCommandHandler("voicecallavatar", UNTRUSTED_THROTTLE)
+	{
+	}
+
+	bool handle(const LLSD& params, const LLSD& query_map, LLMediaCtrl* web)
+	{
+		/*if (!LLUI::sSettingGroups["config"]->getBOOL("EnableVoiceCall"))
+		{
+			LLNotificationsUtil::add("NoVoiceCall", LLSD(), LLSD(), std::string("SwitchToStandardSkinAndQuit"));
+			return true;
+		}*/
+
+		//Make sure we have some parameters
+		if (params.size() == 0)
+		{
+			return false;
+		}
+
+		//Get the ID
+		LLUUID id;
+		if (!id.set( params[0], FALSE ))
+		{
+			return false;
+		}
+
+		//instigate call with this avatar
+		LLAvatarActions::startCall( id );
+		return true;
+	}
+};
+
+LLVoiceCallAvatarHandler gVoiceCallAvatarHandler;
+