Reworking CSHIFT and Stencil. Implementing Wilson and discovered rework is required

TODO

@@ -2,6 +2,10 @@
   - use protocol buffers? replace xmlReader/Writer ec..
   - Binary use htonll, htonl
 
+* Stencil -- do the permute for locally permuted in halo exchange.
+  - BUG cshift mpi; the "s" indexing is weird in the Cshift_comms_simd
+    as simd_layout or not is confusing
+
 * Reduce implemention is poor
 * Bug in SeedFixedIntegers gives same output on each site.
 * Bug in RNG with complex numbers ; only filling real values; need helper function -- DONE