Gene filter added
Merge pull request #1 from gemalm3/next

Gene filter added
Extracting functions for writing VCF statistics
TDT test memleaks removed, VCF files with header larger than batch size accepted in gwas runners
Including samtools and cprops
Using static linking of: argtable, cprops, libconfig and samtools
Using dependencies included INSIDE bioinfo-libs and common-libs
Whole gene filter creation moved to gene_filter_new function (was in shared_options)
Gene filter option added to hpg-var-effect, some memleaks removed
Gene filter option added to hpg-var-gwas
Merge branch 'including-static-libs' into next
Removed inclusion of cprops linked list header in all but TDT test
SConstruct properly adapted to new library configuration
Family usage of linked_list instead of cp_list in association tests
TDT test used linked_list_t instead of cp_list
assoc_runner sorts samples using khash, not cp_hashtable
tdt_runner sorts samples using khash, not cp_hashtable
hpg-var-vcf/stats: Mendelian errors per sample
Split by coverage: Work in progress
VCF split by coverage