added arping to install.sh

Change-Id: I14fe2cc94c80f8d7c4b85767ae79efa28b8454b0
diff --git a/TestON/install.sh b/TestON/install.sh
index 73a3147..fbbd5a5 100755
--- a/TestON/install.sh
+++ b/TestON/install.sh
@@ -63,10 +63,10 @@
 echo "Installing TestON dependencies"
 if [ "$DIST" = "Fedora" ]; then
     # Fedora may have vlan enabled by default. Still need to confirm and update later
-    $install python-pip build-essential python-dev pep8
+    $install python-pip build-essential python-dev pep8 arping
     $pipinstall pexpect==3.2 configobj==4.7.2 numpy
 else
-    $install python-pip build-essential python-dev pep8 vlan
+    $install python-pip build-essential python-dev pep8 vlan arping
     $pipinstall pexpect==3.2 configobj==4.7.2 numpy
 fi