Maintenance Update and Mythic Dungeon Plus development progress

- Dungeon followers now correctly show into the damage done section.
- Fixed an error while statusbar plugin options.
- Framework update.
- Mythic Dungeon Plus code has been separated into six files (was just 2), this will help with the organization
and maintenance of the code.

frames/window_breakdown/window_playerbreakdown.lua

@@ -799,7 +799,7 @@ function Details:CreateBreakdownWindow()
 
 	function breakdownWindowFrame:SetStatusbarText(text, fontSize, fontColor)
 		if (not text) then
-			breakdownWindowFrame:SetStatusbarText("Details! Damage Meter | Use '/details stats' for statistics", 10, "gray")
+			breakdownWindowFrame:SetStatusbarText("Details! Damage Meter | Click 'Options' button for settings.", 10, "gray")
 			return
 		end
 		statusBar.Text.text = text