usersyslog: New component.

component/usersyslog/buildout.cfg

+[buildout]
+extends =
+  ../git/buildout.cfg
+
+[usersyslog]
+recipe = plone.recipe.command
+stop-on-error = true
+update-command = ${:command}
+command = cd ${usersyslog-get:location} && make
+# For convenience (one section to build & know result path)
+location = ${usersyslog-get:location}/usersyslog
+
+[usersyslog-get]
+recipe = slapos.recipe.build:gitclone
+repository = http://git.erp5.org/repos/usersyslog.git
+revision = ad6f6411410c57ef21ca8078f6c3d17e9736185e
+git-executable = ${git:location}/bin/git
+location = ${buildout:parts-directory}/usersyslog