Bump Manjaro to rc2, set version in URL

src/manjaro.ipxe

@@ -9,7 +9,7 @@ goto ${menu}
 set os Manjaro Linux
 menu ${os} Installers
 item --gap Official Releases
-item 16.06-rc1 ${space} ${os} 16.06-rc1
+item 16.06-rc2 ${space} ${os} 16.06-rc2
 choose manjaro_version || goto manjaro_exit
 
 :manjaro_flavor
@@ -25,7 +25,7 @@ goto mirror_cfg
 :mirror_cfg
 set flavor_root ${flavor}
 iseq ${flavor} net && set flavor_root netinstall ||
-set manjaro_initrd http://sourceforge.net/projects/manjarolinux/files/release/${manjaro_version}/${flavor_root}/manjaro-${flavor}-16.06-rc1-x86_64.iso/download
+set manjaro_initrd http://sourceforge.net/projects/manjarolinux/files/release/${manjaro_version}/${flavor_root}/manjaro-${flavor}-${manjaro_version}-x86_64.iso/download
 goto manjaro_boot
 
 :manjaro_boot