add netcfg widget

run lint on netcfg widget

fix build

fix gradle build and description

metadata/free.rm.netcfgwidget.txt

@@ -0,0 +1,26 @@
+Categories:Internet
+License:GPLv3+
+Web Site:https://github.com/ram-on/NetcfgWidget/blob/HEAD/README.md
+Source Code:https://github.com/ram-on/NetcfgWidget
+Issue Tracker:https://github.com/ram-on/NetcfgWidget/issues
+Changelog:https://github.com/ram-on/NetcfgWidget/releases
+
+Auto Name:NetcfgWidget
+Summary:A widget frontend for netcfg
+Description:
+An Android widget that displays IP addresses of all active network interfaces.
+This widget acts an interface to Android's netcfg command.
+.
+
+Repo Type:git
+Repo:https://github.com/ram-on/NetcfgWidget.git
+
+Build:1.0,1
+    commit=v1.0
+    subdir=app
+    gradle=yes
+
+Auto Update Mode:Version v%v
+Update Check Mode:Tags
+Current Version:1.0
+Current Version Code:1