Added modified supervisor puppet manifest

Removed TRAVIS env var

Dockerfile

@@ -16,7 +16,7 @@ RUN cp -rf /root/custom_zulip/* /root/zulip && \
     rm -rf /root/custom_zulip && \
     PUPPET_CLASSES="zulip::dockervoyager" DEPLOYMENT_TYPE="dockervoyager" \
     ADDITIONAL_PACKAGES="python-dev python-six python-pbs" VIRTUALENV_NEEDED="no" \
-    TRAVIS="yes" /root/zulip/scripts/setup/install
+    /root/zulip/scripts/setup/install
 
 RUN cp -a /root/zulip/zproject/prod_settings_template.py /etc/zulip/settings.py && \
     ln -nsf /etc/zulip/settings.py /root/zulip/zproject/prod_settings.py && \

custom_zulip_files/puppet/zulip/manifests/supervisor.pp

@@ -0,0 +1,23 @@
+class zulip::supervisor {
+  $supervisor_packages = [# Needed to run supervisor
+                          "supervisor",
+                          ]
+  package { $supervisor_packages: ensure => "installed" }
+
+  file { "/etc/supervisor/supervisord.conf":
+    require => Package[supervisor],
+    ensure => file,
+    owner => "root",
+    group => "root",
+    mode => 644,
+    source => "puppet:///modules/zulip/supervisor/supervisord.conf",
+  }
+
+  if $zulip::base::release_name == "xenial" {
+    exec {"enable supervisor":
+      unless => "systemctl is-enabled supervisor",
+      command => "systemctl enable supervisor",
+      require => Package["supervisor"],
+    }
+  }
+}