tentative release notes

doc/RELEASE_NOTES

+0.4.0
+
+general:
+==========
+cleanup of much of the code base
+more informative error for failure to find modelnet lps
+
+documentation:
+==========
+reorganized files to prevent name collisions on OSX. Top-level docs other than
+  copyright now in doc directory
+updated code documentation
+fix linker error in certain cases with codes-base
+tweaked config error handling
+
+
+networks:
+==========
+made torus lps agnostic to groups and aware of annotations
+miscellaneous fixes to dragonfly model (TODO: which UIUC folks to credit)
+updates to simplep2p: support for having different latency/bw at sender &
+  receiver end. See src/models/networks/model-net/doc/README.simplep2p.txt
+minor fixes to usage of quickhash in replay tool
+fixed RNG reverse computation bug in loggp
+fixed swapped arguments in round-robin scheduler causing short circuit
+
+workloads:
+==========
+minor changes to dumpi trace config files
+resolving minor bug with reverse computation in dumpi traces
+Updating network trace code to use the combined workload API
+Adding synthetic traffic patterns (currently with dragonfly model)
+Adding network workload test program for debugging
+Updating MPI wait/wait_all code in replay tool
+
 0.3.0
 
 Initial "official" release. Against previous repository revisions, this release