Fix mongod.sh for Ubuntu 14.04

etc/scripts/mongod.sh.in

@@ -42,16 +42,17 @@ startMongo ()
 {
     echo -e "Starting MongoDB daemon with data from ${MONGO_DATA_PATH}\n";
     httpinterface="--httpinterface"
-    ${MONGO_MONGOD} --version | grep "db version v2.4.9" && httpinterface="" #this flag does not exist on ubuntu 14.04
+    ${MONGO_MONGOD} --version | grep -q "db version v2.4.9" && httpinterface="" #this flag does not exist on ubuntu 14.04
+
     cmd_start="${MONGO_MONGOD} --fork --nojournal --dbpath \"${MONGO_DATA_PATH}\" --smallfiles --rest $httpinterface --logpath \"$MONGO_LOG_PATH/mongod.log\""
-    $cmd_start
+    eval "$cmd_start"
     exitcode=$?
     if [ "$exitcode" -eq "100" ]; then
         echo "Tried to execute:"
         echo "    $cmd_start"
         echo "MongoDB failed start with exit code $exitcode. Trying to repair!"
         cmd_repair="${MONGO_MONGOD} --dbpath \"${MONGO_DATA_PATH}\" --repair"
-        $cmd_repair
+        eval "$cmd_repair"
         exitcode=$?
         if [ "$exitcode" -ne "0" ]; then
             echo "Tried to execute:"
@@ -59,7 +60,7 @@ startMongo ()
             echo "Failed to repair MongoDB! Exit code was $exitcode"
             exit $exitcode
         else
-            $cmd_start
+        eval "$cmd_start"
             exitcode=$?
             if [ "$exitcode" -ne "0" ]; then
                 echo "MongoDB failed start with exit code $exitcode after it was repaired. Something is wrong!"