msufsort suffix array construction algorithm

high performance, multi-threaded, suffix array, bwt/unbwt, lcp construction algorithm

**** this is a pre-release demo **** **** this version is incomplete and lacks induction sorting which can result in sub optimal performance on some pathological inputs ****

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To compile:

mkdir build
cd build
cmake ..
make

To build demo:

mkdir build
cd build
cmake -DMSUFSORT_BUILD_DEMO=ON ..
make