updates to MD protocol and examples

examples/message/in.message.tilt.server

@@ -0,0 +1,31 @@
+# 3d Lennard-Jones melt - server script
+
+variable        mode index file
+ 
+if "${mode} == file" then &
+  "message server md file tmp.couple" &
+elif "${mode} == zmq" &
+  "message server md zmq *:5555" &
+elif "${mode} == mpione" &
+  "message server md mpi/one" &
+elif "${mode} == mpitwo" &
+  "message server md mpi/two tmp.couple"
+
+units		lj
+atom_style	atomic
+dimension       2
+atom_modify     map yes
+
+lattice		sq2 0.8442
+region		box prism 0 10 0 8 -0.5 0.5 0 0 0
+create_box	2 box
+create_atoms	1 box
+mass		* 1.0      # masses not used by server
+
+pair_style	lj/cut 2.5
+pair_coeff	* * 1.0 1.0 1.0
+
+neighbor	0.3 bin
+neigh_modify	delay 0 every 1 check yes
+
+server          md