[CE-359] make docker fails

make docker fails at ansible-agent creation as it was missing
libssl and libffi packages by installing libssl-dev and libffi-dev 
deb packages the issue is resolved.

Change-Id: I1d517e2d0922a650a2eb1d86f1867549aa33c7c1
Signed-off-by: Krishna Harsha Voora <krishvoor@in.ibm.com>

docker/ansible-agent/Dockerfile.in

@@ -11,8 +11,9 @@ ARG uid=1000
 ARG gid=1000
 
 RUN apt-get update                                          && \
-    apt-get install -y bash curl python-dev sshpass            \
-    python-pip build-essential openssh-client               && \
+    apt-get install -y bash curl python-dev sshpass 	       \
+    python-pip build-essential openssh-client libffi-dev       \
+    libssl-dev						    && \
     pip install --upgrade pip ansible boto boto3 shade         \
     pyyaml openshift                                        && \
     groupadd -g ${gid} ${user}                              && \