Merge pull request #67 from chapmanb/master

Restrict pyparsing version dependency to Python 2.x compatible versions
Update README.md

improve installation instructions
naming consitency for tests
Merge branch 'master' of github.com:arq5x/gemini
reinstate support for --no-genotypes
prefer genotype constants
add tests for --no-genotypes
added db_info tool; remind users of table and columns names/types.
fix whitespace issue with windower
parallel loadinggit diff | grep diffgit diff | grep diff
Pythonified the parallel loader.

gemini load works as before.
gemini load --cores > 1 runs on a multicore machine
gemini load --cores > 1 and --lsf-queue queue_name runs on platform LSF.
Fixed missing the final chunk.

Added more informative progress messages.
Merge pull request #69 from roryk/master

pythonified the parallel loader
update messages
Merge branch 'master' of github.com:arq5x/gemini
remove path dependency
make sure all chunks are merged.
tweak message.
merge sample_genotype_counts
allow VEP or snpEff