Ensure log messages have valid json

- Fix messages getting contatenated at 8k
 - Fix rsyslog cutting off the opening brace of log messages
 - Make valid default conf and emit logs based on prescence of .sock and
 settings

tools/docker-compose/rsyslog.conf

@@ -1 +1,6 @@
 $WorkDirectory /var/lib/awx/rsyslog
+$MaxMessageSize 700000
+$IncludeConfig /var/lib/awx/rsyslog/conf.d/*.conf
+$ModLoad imuxsock
+input(type="imuxsock" Socket="/var/run/rsyslog/rsyslog.sock" unlink="on")
+template(name="awx" type="string" string="%msg%")