Add vppctl as a simple cli interface to vpp

This patch provides a pretty simple hack on top
of vpe_api_test to give users a cli interface
to vpp.

Example:

sudo vppctl show api client
sudo vppctl show int

It has the advantage that users can use bash shell scripting
and history with it.

Change-Id: I621dd8e29269e14a83b4887f20adcfbe5f946b99
Signed-off-by: Ed Warnicke <eaw@cisco.com>

build-data/packages/vppctl.mk

@@ -0,0 +1,11 @@
+vppctl_configure_depend =			\
+	vppinfra-install			\
+	dpdk-install				\
+	svm-install				\
+	vlib-api-install			\
+	vlib-install				\
+	vnet-install				\
+	vpp-install				\
+	vpp-api-test-install
+
+

build-data/platforms/vpp.mk

@@ -16,7 +16,7 @@ vpp_arch = native
 vpp_native_tools = vppapigen
 
 vpp_root_packages = vpp vlib vlib-api vnet svm dpdk vpp-api-test \
-	vpp-japi 
+	vpp-japi vppctl
 
 vpp_configure_args_vpp = --with-dpdk
 vnet_configure_args_vpp = --with-dpdk