Make sure Dockerfiles have all packages, since we're now using slim

Author: rick

spec/acceptance/Dockerfile.entitlements-github-plugin

@@ -10,8 +10,10 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
     build-essential \
     cmake \
     gcc \
+    git \
     ldap-utils \
     make \
+    iputils-ping \
     pkg-config
 
 # Install bundler

spec/acceptance/github-server/Dockerfile

@@ -6,7 +6,10 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
     build-essential \
     cmake \
     gcc \
+    git \
+    ldap-utils \
     make \
+    iputils-ping \
     pkg-config
 
 # Install gems