Localize strings, correct grammar and spelling, fix close menu error, add hide omen menu item.

Omen.lua

@@ -1274,12 +1274,12 @@ do
 	local Omen_TitleDropDownMenu = CreateFrame("Frame", "Omen_TitleDropDownMenu")
 	Omen_TitleDropDownMenu.displayMode = "MENU"
 	Omen_TitleDropDownMenu.initialize = function(self, level)
-		if (not level) then return end
+		if not level then return end
 		for k in pairs(info) do info[k] = nil end
-		if (level == 1) then
+		if level == 1 then
 			-- Create the title of the menu
 			info.isTitle      = 1
-			info.text         = "Omen Quick Menu"
+			info.text         = L["Omen Quick Menu"]
 			info.notCheckable = 1
 			UIDropDownMenu_AddButton(info, level)
 
@@ -1304,9 +1304,13 @@ do
 			info.func = function() Omen:ShowConfig() end
 			UIDropDownMenu_AddButton(info, level)
 
+			info.text = L["Hide Omen"]
+			info.func = function() Omen:Toggle() end
+			UIDropDownMenu_AddButton(info, level)
+
 			-- Close menu item
 			info.text         = CLOSE
-			info.func         = CloseDropDownMenus
+			info.func         = function() CloseDropDownMenus() end
 			info.checked      = nil
 			info.arg1         = nil
 			info.notCheckable = 1
@@ -1806,20 +1810,20 @@ local options = {
 				Sound = {
 					type = "toggle",
 					order = 2,
-					name = "Enable Sound",
-					desc = "Enable Sound",
+					name = L["Enable Sound"],
+					desc = L["Causes Omen to play a chosen sound effect"],
 				},
 				Flash = {
 					type = "toggle",
 					order = 3,
-					name = "Enable Screen Flash",
-					desc = "Enable Screen Flash",
+					name = L["Enable Screen Flash"],
+					desc = L["Causes the entire screen to flash red momentarily"],
 				},
 				Shake = {
 					type = "toggle",
 					order = 4,
-					name = "Enable Screen Shake",
-					desc = "Enable Screen Shake",
+					name = L["Enable Screen Shake"],
+					desc = L["Causes the entire game world to shake momentarily. This option only works if nameplates are turned off."],
 				},
 				Message = {
 					type = "toggle",