Added template/omp/broadcast version of add for hoNDArrays.
Moved pointer version of add and multiply up to the header file.
Added template/omp/broadcast version of subtract for hoNDArrays.
Added template/omp/broadcast version of divide for hoNDArrays.
Added template/omp/broadcast version of add for hoNDArrays.
Moved pointer version of add and multiply up to the header file.
Added template/omp/broadcast version of subtract for hoNDArrays.
Added template/omp/broadcast version of divide for hoNDArrays.
Added template/omp/broadcast version of multiplyConj for hoNDArrays.
merged from upstream.
Added some implementations of element-wise ops.
Merge pull request #20 from gadgetron/templatemath

Templatemath