test: refactor and generalize setup(), adding a setup2()

This patch refactors the way the primary and secondary syslogd is
started by the test framework.  The generalizations not only make the
code more readable, it hopefully also makes it easier to add new tests
in the future.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

test/api.sh

@@ -15,8 +15,7 @@ echo "= Phase 2 - syslog() with openlog() & custom facility ==="
 cat <<EOF >${CONFD}/console.conf
 console.*	-${LOGCONS}
 EOF
-kill -HUP `cat ${PID}`
-sleep 2
+reload
 
 ./api -i foo
 grep "foo: ${MSG}" ${LOGCONS}
@@ -29,8 +28,7 @@ echo "= Phase 4 - Verify RFC5424 API with syslogp() ==========="
 cat <<EOF >${CONFD}/v1.conf
 ftp.*		-${LOGV1}	;RFC5424
 EOF
-kill -HUP `cat ${PID}`
-sleep 2
+reload
 
 ./api -i troglobit -p
 sleep 2