Writer for VCF files that doesn't take Variant objects but VcfRecords as input
MNV variant type recognised, improvements on indels start and end detection
VariantAggregatedVcfFactory class overrides method parseSplitSampleData to avoid even trying to parse samples information
Using x.isEmpty() instead of x.size() == 0
Loading accession IDs considering the allele index it is currently being processed
Many new fields added to the VariantStudy class
Merge branch 'develop' of https://github.com/opencb/biodata into develop