timezone data: update to 2018e

Update timezone data to 2018e

http://mm.icann.org/pipermail/tz-announce/2018-May/000050.html

  North Korea switches back to +09 on 2018-05-05.
  The main format uses negative DST again, for Ireland

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>

modules/luci-base/luasrc/sys/zoneinfo/tzdata.lua

@@ -270,7 +270,7 @@ TZ = {
 	{ 'Asia/Oral', '<+05>-5' },
 	{ 'Asia/Phnom Penh', '<+07>-7' },
 	{ 'Asia/Pontianak', 'WIB-7' },
-	{ 'Asia/Pyongyang', 'KST-8:30' },
+	{ 'Asia/Pyongyang', 'KST-9' },
 	{ 'Asia/Qatar', '<+03>-3' },
 	{ 'Asia/Qyzylorda', '<+06>-6' },
 	{ 'Asia/Riyadh', '<+03>-3' },
@@ -358,7 +358,7 @@ TZ = {
 	{ 'Europe/Busingen', 'CET-1CEST,M3.5.0,M10.5.0/3' },
 	{ 'Europe/Chisinau', 'EET-2EEST,M3.5.0,M10.5.0/3' },
 	{ 'Europe/Copenhagen', 'CET-1CEST,M3.5.0,M10.5.0/3' },
-	{ 'Europe/Dublin', 'GMT0IST,M3.5.0/1,M10.5.0' },
+	{ 'Europe/Dublin', 'IST-1GMT0,M10.5.0,M3.5.0/1' },
 	{ 'Europe/Gibraltar', 'CET-1CEST,M3.5.0,M10.5.0/3' },
 	{ 'Europe/Guernsey', 'GMT0BST,M3.5.0/1,M10.5.0' },
 	{ 'Europe/Helsinki', 'EET-2EEST,M3.5.0/3,M10.5.0/4' },

modules/luci-base/luasrc/sys/zoneinfo/tzoffset.lua

@@ -34,7 +34,7 @@ OFFSET = {
 	idt   =  10800,	-- IDT
 	pkt   =  18000,	-- PKT
 	wita  =  28800,	-- WITA
-	kst   =  30600,	-- KST
+	kst   =  32400,	-- KST
 	jst   =  32400,	-- JST
 	acst  =  34200,	-- ACST
 	acdt  =  37800,	-- ACDT