Fixes #3534: Add the headers Apache module to the modules needed by Rudder in the rudder-webapp package
Fixes #3534: Add the headers Apache module to the modules needed by Rudder in the rudder-webapp package (using packaged sysconfig file)
Merge pull request #47 from Kegeruneku/bug_3534/int/3534_add_apache_headers_module_during_rudder_install_or_upgrade

Fixes #3534: Add the headers Apache module to the modules needed by Rudd...
Merge branch 'branches/rudder/2.3' into branches/rudder/2.4

Conflicts:
	rudder-webapp/SPECS/rudder-webapp.spec
Merge branch 'branches/rudder/2.4' into branches/rudder/2.5