Update onos.sh to generate ramcloud.conf, etc.

- Generate conf/ramcloud.conf
- Specify ramcloud config file when starting ONOS core
- Changed ZooKeeper log dir to onos-log/`hostname`
  Note: Currently log filename cannot be modified using env. variable, etc.
- Changed default ramcloud.conf address to 127.0.0.1
- Changed hazelcast default in onos_node.conf to tcp + 127.0.0.1
- Put our path first in LD_LIBRARY_PATH

Change-Id: I53e8dec0e659f12ffae609354675ff73188757e3
diff --git a/conf/onos_node.conf b/conf/onos_node.conf
index ac3225a..4e67466 100644
--- a/conf/onos_node.conf
+++ b/conf/onos_node.conf
@@ -40,6 +40,7 @@
 # List of hostname/ip[:port] which forms Hazelcast grid
 # If this value is empty, Hazelcast will be set to multicast mode.
 # Inversely, if this value is set, multicast settings will be ignored.
+hazelcast.tcp-ip.members = 127.0.0.1:5701
 #hazelcast.tcp-ip.members = 192.168.56.11, 192.168.56.12, 192.168.56.13, 192.168.56.14
 
 # Multicast address used by Hazelcast. (224.2.2.3 by default)