added fixed ebuild (copied from godin's overlay):

- in sonar-4.x, thw web-direcotry is called web, not war
- enewgroup and enewuser requires the "user" eclass

dev-util/sonar-bin/files/init.sh

@@ -0,0 +1,33 @@
+#!/sbin/runscript
+
+depend() {
+    need net
+    use dns logger
+}
+
+RUN_AS=sonar
+
+MACHINE_TYPE=`getconf LONG_BIT`
+if [ "${MACHINE_TYPE}" = "64" ]; then
+  JSW=/opt/sonar/bin/linux-x86-64/sonar.sh
+else
+  JSW=/opt/sonar/bin/linux-x86-32/sonar.sh
+fi
+
+checkconfig() {
+    return 0
+}
+
+start() {
+    checkconfig || return 1
+
+    ebegin "Starting ${SVCNAME}"
+    su $RUN_AS -c "$JSW start"
+    eend $?
+}
+
+stop() {
+    ebegin "Stopping ${SVCNAME}"
+    su $RUN_AS -c "$JSW stop"
+    eend $?
+}