Issue #2768: add a new system variable SYSLOGPORT to configure syslog…

… port

Issue #2768: add a new system variable SYSLOGPORT to configure syslog…

… port

Issue #2768: add a new system variable SYSLOGPORT to configure syslog…

… port

Issue #2768: add a new system variable SYSLOGPORT to configure syslog…

… port

Issue #2768: add a new system variable SYSLOGPORT to configure syslog…

… port

Fixes #2855: correctly check path of promise templates when reading them

Merge branch 'branches/rudder/2.3' into branches/rudder/2.4

* branches/rudder/2.3:
  Ref #2779 Add missing README

Merge branch 'branches/rudder/2.3' into branches/rudder/2.4

* branches/rudder/2.3:
  Ref #2779 Add missing README

Merge branch 'branches/rudder/2.3' into branches/rudder/2.4

* branches/rudder/2.3:
  Ref #2779 Add missing README

Merge branch 'branches/rudder/2.3' into branches/rudder/2.4

* branches/rudder/2.3:
  Ref #2779 Add missing README