Remove python-libpcap, add libpcap-dev to ansible.  Remove pypcap from the requirements file

Change-Id: Ic1c17975d2ea7bf4966634e317334136c6dffdde
diff --git a/ansible/roles/common/defaults/main.yml b/ansible/roles/common/defaults/main.yml
index 5ed426f..c97c39d 100644
--- a/ansible/roles/common/defaults/main.yml
+++ b/ansible/roles/common/defaults/main.yml
@@ -8,12 +8,13 @@
   - python-dev
   - libssl-dev
   - libffi-dev
+  - libpcap-dev
   - python-virtualenv
   - jq
   - python-nose
   - python-flake8
   - python-scapy
-  - python-libpcap
+#  - python-libpcap
 
 obsolete_services:
   - puppet
diff --git a/requirements.txt b/requirements.txt
index 1c99294..6e785bd 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@
 protobuf-to-dict>=0.1.0
 pyflakes>=1.0.0
 pylint>=1.5.2
-pypcap>=1.1.5
+#pypcap>=1.1.5
 pyOpenSSL>=0.13
 PyYAML>=3.10
 requests