add tabix-compressed vcf iterator from starka, and update build to link against tabix lib/include
Switching off debug output
add check for accidental DEBUG cpp defines, and a top-level pre-release code qc script
fix build error
update cppcheck supressions
close doxygen issues
ascii symbol checker was not accounting for cmake/boost bootstraping
fix ascii symbol check again
* MANTA-30

Refactored in VCF reader from PUMA.
Merge branch 'MANTA-30' of https://github.com/StructuralVariants/manta into MANTA-30