Finetune GMEPG left barrier request with the epg history minutes

So you can get back left through all the history minutes and when
opening start it at now instead of the beginning of the history. Now
that we can navigate through the left barrier this is a better solution
in case you setup a large history for the GMEPG

lib/python/Plugins/Extensions/GraphMultiEPG/GraphMultiEpg.py

@@ -764,9 +764,9 @@ def selEntry(self, dir, visible=True):
 					return True
 				else:
 					new_time = self.time_base - self.time_epoch * 60
-					now = time()
+					now = time() - int(config.epg.histminutes.value) * 60
 					if new_time - now + self.time_epoch < 0:
-						new_time = now - now % int(config.misc.graph_mepg.roundTo.getValue())
+						new_time = now - now % int(config.misc.graph_mepg.roundTo.value)
 					self.fillMultiEPG(None, stime=new_time)
 					return True
 			elif dir == +2: #next page
@@ -984,7 +984,7 @@ def __init__(self, session, services, zapFunc=None, bouquetChangeCB=None, bouque
 		self.selectBouquet = selectBouquet
 		self.epg_bouquet = epg_bouquet
 		self.serviceref = None
-		now = time() - (int(config.epg.histminutes.value) * 60)
+		now = time()
 		self.ask_time = now - now % int(config.misc.graph_mepg.roundTo.getValue())
 		self["key_red"] = Button("")
 		self["key_green"] = Button("")
@@ -1194,7 +1194,7 @@ def enterDateTime(self):
 	def onDateTimeInputClosed(self, ret):
 		if len(ret) > 1:
 			if ret[0]:
-				now = time() - (int(config.epg.histminutes.value) * 60)
+				now = time()
 				self.ask_time = ret[1] if ret[1] >= now else now
 				self.ask_time = self.ask_time - self.ask_time % int(config.misc.graph_mepg.roundTo.getValue())
 				l = self["list"]
@@ -1206,7 +1206,7 @@ def onDateTimeInputClosed(self, ret):
 
 	def setNewTime(self, type=''):
 		if type:
-			date = time() - (int(config.epg.histminutes.value) * 60)
+			date = time()
 			if type == "now_time":
 				self.time_mode = self.TIME_NOW
 				self["key_blue"].setText(_("Prime time"))
@@ -1254,7 +1254,7 @@ def onSetupClose(self, ignore=-1):
 		l.setEpoch(config.misc.graph_mepg.prev_time_period.value)
 		l.setOverjump_Empty(config.misc.graph_mepg.overjump.value)
 		l.setShowServiceMode(config.misc.graph_mepg.servicetitle_mode.value)
-		now = time() - (int(config.epg.histminutes.value) * 60)
+		now = time()
 		self.ask_time = now - now % int(config.misc.graph_mepg.roundTo.getValue())
 		self["timeline_text"].setDateFormat(config.misc.graph_mepg.servicetitle_mode.value)
 		l.fillMultiEPG(None, self.ask_time)