ci: Fixes for travis-ci

Change-Id: I717d7efab8fc1812eec5791ea649c20d96af3087
diff --git a/.travis.yml b/.travis.yml
index 9ead59b..cbc3a60 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,13 +15,14 @@
   - travis_retry sudo apt-get install -qq libboost-all-dev
   - travis_retry sudo apt-get install -qq libcrypto++-dev
   - travis_retry sudo apt-get install -qq libsqlite3-dev
-  - travis_retry git clone git://github.com/cawka/ndn-cpp ndn-cpp
+  - travis_retry git clone git://github.com/named-data/ndn-cpp-dev ndn-cpp
   - cd ndn-cpp
   - ./waf configure
   - ./waf -j1
   - sudo ./waf install
   - sudo ldconfig
   - cd ..
+  - ndnsec-keygen /tmp/key | ndnsec-install-cert -
 script:
   - ./waf configure --with-tests
   - ./waf -j1