- slightly increased the bucketing chunk size to 1M suffixes (i.e. ~16MB)
- added memory reporting

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18191488]
added support for larger difference covers, allowing to target multiple memory usage scenarios

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18191987]
better command options

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18192124]
minor robustness improvements for very large strings

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18192249]
missing comment

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18192253]
added DC-2048

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18192356]
pay attention to device-memory consumption

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18192480]
added option to select a given cuda device

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18192507]
added support for gzipped FASTA archives

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18193252]
disambiguate parameter name to please gcc

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18193317]
increased the number of radix-sorting passes before switching to the DCS sorter (resulting in a 20% speed boost)

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18194452]
migrate CUB wrappers in a separate module

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18198909]
added a popcount functor

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18198956]
added missing header

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18199417]
fixed namespace

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18199431]
added a Q-Group implementation, inspired by:
http://arxiv.org/pdf/1403.1706v1.pdf

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18199438]
better comments

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18200253]
added timing log

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18200265]
better log

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18200276]
- removed the limit on the number of reads
- better logging

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18200342]