add profiling support to configure script and CMakefile
better igor defaults
add 'serial_for(adj())' and use in graphlab engine
do multiple trials, not counting first warm-up one (pagerank & cc)
fix send_immediate
keep communicator garbage collection from blocking
remove message pool
improve mpi error handling
remove remaining gasnet references
make GCE work with aggregation disabled
do "best-effort" immediate sends---only do immediate sends when send context is available (enqueue otherwise)
avoid infinite recursion when using GCE in immediate send mode
fix suspended coroutine list in GDB macros
refactor split-vertex graph to have extra 'master' vertex
be careful of bad buffer count configurations
refactor GraphlabEngine to do fewer forall's per iteration
fix activations/convergence
fix activation/cache resetting
reintroduce forall loops from before b/c serial loops break message pool
do reset as we go