rename Input:setTimeOut to Input:setTimtout

To keep consistent with Javascript setTimeout function...

frontend/ui/gesturedetector.lua

@@ -183,7 +183,7 @@ function GestureDetector:tapState(ev)
 		local deadline = self.cur_ev.timev + TimeVal:new{
 				sec = 0, usec = self.DOUBLE_TAP_INTERVAL,
 			}
-		Input:setTimeOut(function()
+		Input:setTimeout(function()
 			DEBUG("in tap timer", self.last_tap ~= nil)
 			-- double tap will set last_tap to nil so if it is not, then
 			-- user must only tapped once
@@ -206,7 +206,7 @@ function GestureDetector:tapState(ev)
 		local deadline = self.cur_ev.timev + TimeVal:new{
 				sec = 0, usec = self.HOLD_INTERVAL
 			}
-		Input:setTimeOut(function()
+		Input:setTimeout(function()
 			print("hold timer", self.state == self.tapState)
 			if self.state == self.tapState then
 				-- timer set in tapState, so we switch to hold

frontend/ui/inputevent.lua

@@ -268,7 +268,7 @@ function Input:adjustKindle4EventMap()
 	self.event_map[104] = "LPgFwd"
 end
 
-function Input:setTimeOut(cb, tv_out)
+function Input:setTimeout(cb, tv_out)
 	local item = {
 		callback = cb, 
 		deadline = tv_out,
@@ -304,7 +304,7 @@ function Input:waitEvent(timeout_us, timeout_s)
 						local ges = self.timer_callbacks[1].callback()
 						table.remove(self.timer_callbacks, 1)
 						if ges then
-							-- Do we really need to clear all setTimeOut after
+							-- Do we really need to clear all setTimeout after
 							-- decided a gesture? FIXME
 							Input.timer_callbacks = {}
 							return Event:new("Gesture", ges)