Samtools hybrid version of 7a & 12a.  Basically it is 7a, pulling in baq and calmd and the latest bgzf logic updates from 12a (r862).
Updated files:
   bamtk.c - updated PACKAGE_VERSION to read "0.1.7-hybrid (r510 + r862)" & updated the description for calmd
   bam_md.c       - replaced with the version from 0.1.12a and added -C to calmd usage note
   kprobaln.h     - added the version from 0.1.12a
   kprobaln.c     - added the version from 0.1.12a
   Makefile       - updated to:  include kprobaln.o and name the executable samtools-hybrid instead of samtools
   ChangeLog      - replaced with the version from 0.1.12a
   NEWS           - replaced with the version from 0.1.12a
   HYBRID_VERSION
Add .gitignore
Update the modified files to r983 to pick up the extended-BAQ logic per Hyun's request
Add -Q option to pileup for creating glf files
Fix Makefile library include order and Update faidx to output an error message if the chromosome is not found.
Update faidx error message for invalid chromosome to specify the chromosome name
Merge branch 'master' of github.com:statgen/samtools-0.1.7a-hybrid
Fix samtools-hybrid check for bai files