tools: implement 'nfdc cs info' command

refs #4219

Change-Id: I4252878943c3f6c88f306f83f5023fffc82326b0
diff --git a/docs/conf.py b/docs/conf.py
index f3fec93..4b0e9e1 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -246,6 +246,7 @@
     ('manpages/nfdc-status', 'nfdc-status', u'show NFD status', None, 1),
     ('manpages/nfdc-face', 'nfdc-face', u'show and manipulate NFD faces', None, 1),
     ('manpages/nfdc-route', 'nfdc-route', u'show and manipulate NFD routes', None, 1),
+    ('manpages/nfdc-cs', 'nfdc-cs', u'show and manipulate NFD Content Store', None, 1),
     ('manpages/nfdc-strategy', 'nfdc-strategy', u'show and manipulate NFD strategy choices', None, 1),
     ('manpages/nfd-status', 'nfd-status', u'comprehensive report of NFD status', None, 1),
     ('manpages/nfd-status-http-server', 'nfd-status-http-server',
diff --git a/docs/manpages/nfdc-cs.rst b/docs/manpages/nfdc-cs.rst
new file mode 100644
index 0000000..cef31b8
--- /dev/null
+++ b/docs/manpages/nfdc-cs.rst
@@ -0,0 +1,14 @@
+nfdc-cs
+===========
+
+SYNOPSIS
+--------
+| nfdc cs info
+
+DESCRIPTION
+-----------
+The **nfdc cs info** command shows CS statistics information.
+
+SEE ALSO
+--------
+nfd(1), nfdc(1)
diff --git a/docs/manpages/nfdc-status.rst b/docs/manpages/nfdc-status.rst
index cfbdec4..3a1959b 100644
--- a/docs/manpages/nfdc-status.rst
+++ b/docs/manpages/nfdc-status.rst
@@ -18,6 +18,7 @@
 - list of faces (individually available from **nfdc face list**)
 - list of FIB entries (individually available from **nfdc fib list**)
 - list of RIB entries (individually available from **nfdc route list**)
+- CS statistics information (individually available from **nfdc cs info**)
 - list of strategy choices (individually available from **nfdc strategy list**)
 
 OPTIONS
diff --git a/docs/manpages/nfdc.rst b/docs/manpages/nfdc.rst
index 406bf35..79140d6 100644
--- a/docs/manpages/nfdc.rst
+++ b/docs/manpages/nfdc.rst
@@ -45,4 +45,4 @@
 
 SEE ALSO
 --------
-nfdc-status(1), nfdc-face(1), nfdc-route(1), nfdc-strategy(1)
+nfdc-status(1), nfdc-face(1), nfdc-route(1), nfdc-cs(1), nfdc-strategy(1)