consider unmapped mates when BED only flag is set

[sb43]

Currently vafcorrect only considers unmapped reads within a window of variant location when analysing 'PASS' variant locations.
Improve either by setting FILTER as PASS for bed intervals at following line.

vafCorrect/perl/lib/Sanger/CGP/Vaf/Data/ReadVcf.pm

Line 626 in 22b2b33

$data_for_all_samples->{$sample}{$location_key}={'INFO'=>undef,'FILTER'=>'NA','RD'=>1 };