pib: Adapt code into ndn-tools conventions
Changes include:
1. license boilerplate
2. include guards
3. test suite names
4. return value of main function
5. README.md
Change-Id: I14289402475b591d7cdce7390cec5e3c0b6befe5
Refs: #3018
diff --git a/README.md b/README.md
index f791738..6625a19 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,7 @@
* [ping](tools/ping): test reachability between two nodes
* [dump](tools/dump): analyze traffic on wire
* [dissect](tools/dissect): inspect TLV structure of NDN packet format
+* [pib](tools/pib): a service to manage the public information of keys and publish certificates
See [INSTALL.md](INSTALL.md) for build instructions.