rewrited dataengine

+ add ipv6 definition (internal and external)
+ add netctlAuto source
* rewrite interface list definition to use QtNetwork module
* rewrite internal ip definition to use QtNetwork module
- fix #7

sources/dataengine/netctl.conf

@@ -5,15 +5,13 @@
 CMD=/usr/bin/netctl
 # netctl-auto command
 NETCTLAUTOCMD=/usr/bin/netctl-auto
-# ip command
-IPCMD=/usr/bin/ip
-
-## Network
-# path to list of network devices
-NETDIR=/sys/class/net/
 
 ## External IP
-# external ip check command
-EXTIPCMD=wget -qO- http://ifconfig.me/ip
-# 'true' - check external IP
+# external IPv4 check command
+EXTIPCMD=curl ip4.telize.com
+# 'true' - check external IPv4
 EXTIP=false
+# external IPv6 check command
+EXTIP6CMD=curl ip6.telize.com
+# 'true' - check external IPv6
+EXTIP6=false