Disable printing load message by default

Users can re-enable it with the command
    /kt loadmessage
(The command toggles showing/not showing message on load)

Fixes #18

Command.lua

@@ -65,6 +65,7 @@ function C:HandleCommand(command, args)
 end
 
 C:Register("__DEFAULT__", function()
+    KT:Msg("/kt loadmessage - Toggles showing a message when AddOn loads.")
     KT:Msg("/kt target - Display number of kills on target mob.")
     KT:Msg("/kt lookup <name> - Display number of kills on <name>, <name> can also be NPC ID.")
     KT:Msg("/kt print - Toggle printing kill updates to chat.")
@@ -82,6 +83,10 @@ C:Register("__DEFAULT__", function()
     KT:Msg("/kt - Displays this help message.")
 end)
 
+C:Register({"loadmessage", "lm"}, function()
+    KT:ToggleLoadMessage()
+end)
+
 C:Register({"target", "t", "tar"}, function()
     if not UnitExists("target") or UnitIsPlayer("target") then return end
     local id = KTT:GUIDToID(UnitGUID("target"))

KillTrack.lua

@@ -120,6 +120,9 @@ function KT.Events.ADDON_LOADED(self, ...)
         _G["KILLTRACK"] = {}
     end
     self.Global = _G["KILLTRACK"]
+    if type(self.Global.LOAD_MESSAGE) ~= "boolean" then
+        self.Global.LOAD_MESSAGE = false
+    end
     if type(self.Global.PRINTKILLS) ~= "boolean" then
         self.Global.PRINTKILLS = false
     end
@@ -173,7 +176,11 @@ function KT.Events.ADDON_LOADED(self, ...)
         self.CharGlobal.MOBS = {}
     end
     self.PlayerName = UnitName("player")
-    self:Msg("AddOn Loaded!")
+
+    if self.Global.LOAD_MESSAGE then
+        self:Msg("AddOn Loaded!")
+    end
+
     self.Session.Start = time()
     self.Broker:OnLoad()
 end
@@ -281,6 +288,15 @@ function KT.Events.ENCOUNTER_END(self, _, _, _, size)
     end
 end
 
+function KT:ToggleLoadMessage()
+    self.Global.LOAD_MESSAGE = not self.Global.LOAD_MESSAGE
+    if self.Global.LOAD_MESSAGE then
+        KT:Msg("Now showing message on AddOn load")
+    else
+        KT:Msg("No longer showing message on AddOn load")
+    end
+end
+
 function KT:ToggleExp()
     self.Global.SHOW_EXP = not self.Global.SHOW_EXP
     if self.Global.SHOW_EXP then