v2.6.0

Changes:

• Implement Hartwig IAP 1.12 changes. #99
• New SOMATIC_REGEX_REF_CODE and SOMATIC_REGEX_TUMOR_CODE settings to make somatic sample parsing more versatile.
• Add INS calling for DELLY. #101
• Update bcftools to fix roh analysis. #103
• Set output dir for Exoncov instead of using default. #84
• Fix bug in makeKaryotype.R . #96
• Delly now checks final output. #104