packaging from akka-bbb-fsesl: copy FreeSWITCH password from

FreeSWITCH configuration file (event_socket.conf.xml) and add
FreeSWITCH as a package dependency to make sure that it gets
configured first

akka-bbb-fsesl/build.sbt

@@ -79,4 +79,4 @@ daemonGroup in Linux := group
 
 javaOptions in Universal ++= Seq("-J-Xms130m", "-J-Xmx256m", "-Dconfig.file=/etc/bigbluebutton/bbb-fsesl-akka.conf", "-Dlogback.configurationFile=conf/logback.xml")
 
-debianPackageDependencies in Debian ++= Seq("java8-runtime-headless", "bash")
+debianPackageDependencies in Debian ++= Seq("java8-runtime-headless", "bash", "bbb-freeswitch-core")

akka-bbb-fsesl/src/debian/DEBIAN/postinst

+#
+# Update ESL password to match the password from bbb-freeswitch-core, which is
+# listed as a package dependency to ensure that it configures first.
+#
+
+ESL_PASSWORD=$(xmlstarlet sel -t -m 'configuration/settings/param[@name="password"]' -v @value /opt/freeswitch/etc/freeswitch/autoload_configs/event_socket.conf.xml)
+
+if [ -n "$ESL_PASSWORD" ]; then
+    sed -i "s/ClueCon/$ESL_PASSWORD/g" /usr/share/bbb-fsesl-akka/conf/application.conf
+fi