install libcurl3-nss to work around Mesos packaging issue

d2iq-archive/mesos-deb-packaging#102

tests/package/debian8/Dockerfile

@@ -10,6 +10,8 @@ RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv E56151BF && \
     # this MUST be done first, unfortunately, because Mesos packages will create folders that should be symlinks and break the python install process
     apt-get install python2.7-minimal -y && \
     apt-get install -y openjdk-8-jdk-headless openjdk-8-jre-headless ca-certificates-java=20161107~bpo8+1 && \
+    # work around required due to https://github.com/mesosphere/mesos-deb-packaging/issues/102
+    apt-get install -y libcurl3-nss && \
     apt-get install --no-install-recommends -y --force-yes mesos=$(cat /mesos-version) && \
 
     # disable mesos-master; we don't want to start in this image

tests/package/ubuntu1404/Dockerfile

@@ -16,6 +16,10 @@ RUN apt-key adv --keyserver keyserver.ubuntu.com --recv E56151BF && \
   # install mesos
   # this MUST be done first, unfortunately, because Mesos packages will create folders that should be symlinks and break the python install process
   apt-get install python2.7-minimal -y && \
+
+  # work around required due to https://github.com/mesosphere/mesos-deb-packaging/issues/102
+  apt-get install -y libcurl3-nss && \
+
   apt-get install --no-install-recommends -y --force-yes mesos=$(cat /mesos-version) && \
 
   # disable mesos-master; we don't want to start in this image

tests/package/ubuntu1604/Dockerfile

@@ -13,6 +13,8 @@ RUN apt-get update && apt-get install -my wget gnupg lsb-release && \
     # this MUST be done first, unfortunately, because Mesos packages will create folders that should be symlinks and break the python install process
     apt-get install python2.7-minimal -y && \
     apt-get install -y openjdk-8-jdk-headless openjdk-8-jre-headless && \
+    # work around required due to https://github.com/mesosphere/mesos-deb-packaging/issues/102
+    apt-get install -y libcurl3-nss && \
     apt-get install --no-install-recommends -y --force-yes mesos=$(cat /mesos-version) && \
 
     # disable mesos-master; we don't want to start in this image