remove partial component from RO in VCF output
6x performance improvement

Remove duplicated genotype search, as the algorithm now always searches deeply.
The default default --pvar of 0 means "run gradient descent on everything".

Fix incorrect (too large type) usage of ttmath.  This resolves a major
performance bug (30% of runtime) in the previous builds.

Remove indel mask vector<bool>, whose aligned copy was occupying a large
fraction of runtime (50%).  Users employing this method for the removal of
artifacts are suggested to look at samtools BAQ, which applies an HMM to
incorporate local alignment quality into base quality.

Together, these changes increase processing speed in the 1000G release set
(2500 samples) by around 6x over the previous commit.
Setting Release-Version v9.9.2
update version_git.h