Merge pull request #170 from carrotIndustries/master

up archlinux version

src/archlinux.ipxe

@@ -11,8 +11,9 @@ clear arch_version
 menu ${os} - ${arch} - Image Sig Checks: [${img_sigs_enabled}]
 menu Arch Linux
 item --gap Latest Releases
-item 2017.05.01 2017.05.01
-item 2017.04.01 2017.04.01
+item 2017.06.01 2017.06.01
+item 2017.07.01 2017.07.01
+item 2017.08.01 2017.08.01
 choose arch_version || goto archlinux_exit
 goto boot