mcall: Initial attempt to improve trio calling. This is a backup commit of version 2.
Merge branch 'master' into trios
call: Average MQ annotation; filter: allow both TAG and INFO/TAG in filters
Merge branch 'master' into trios
call: Updated version of -C trio
roh: backup commit
mcall: Fixed initialization of trio calls
mcall: Account for missing data in trio calling by using Pkij=1 in such a case
Merge branch 'trios'
filter: Updated error message
Updated tests for tabix and csi index
merge: Improved the merging algorithm somewhat, REF-only sites can be merged with SNPs or indels
Added new test file