ufix options permissions, link logs to read-write directory

Author: bengerman13

jobs/elasticsearch/templates/bin/pre-start

@@ -20,4 +20,8 @@ rm -rf /var/vcap/packages/elasticsearch/plugins/*
   <% end %>
 <% end %>
 
-cp -p /var/vcap/packages/elasticsearch/config/jvm.options /var/vcap/jobs/elasticsearch/config/jvm.options
+cp -p /var/vcap/packages/elasticsearch/config/jvm.options /var/vcap/jobs/elasticsearch/config/jvm.options
+chown root:vcap /var/vcap/jobs/elasticsearch/config/jvm.options
+
+rmdir /var/vcap/packages/elasticsearch/logs/
+ln -s /var/vcap/sys/log/elasticsearch /var/vcap/packages/elasticsearch/logs