Initial commit of a multi-block poisson example
Works, validates
Works with various backends
Fixes to code generation
Merge pull request #20 from gihanmudalige/feature/mblock_poisson

Feature/mblock poisson
Initial code for partitioning and multiblock data strutures over MPI, untested
Updated apps to use reduction handles,still need code generator support
Setting up MPI exchanges
gitignore update for new apps
Fixed a bunch of things, still doesn't quite work
Negative ranges in MPI
Refactoring d_p to positive and separate block and intra-block halo fields
dev_mpi works for mblock and poisson
Reductions working
Code generators (except OpneCL) updated to handle ops_reduction
Bug in makefile
Seems to work in various combinations
Various fixes, and re-generated backend code. MPI-CUDA stillh as issues
Updated source_intel
MPI-CUDA working now