Update to include cen_vep_config_v1.1.17.json

[Arun-bioinformatics]

In README.md:

• increment version number of batch config referenced:
• dias_CEN_config_GRCh37_v3.1.5.json → dias_CEN_config_GRCh37_v3.1.6.json

In dias_CEN_config_GRCh37_v3.1.6.json:

• increment version number of config via git mv dias_CEN_config_GRCh37_v3.1.5.json → dias_CEN_config_GRCh37_v3.1.6.json
• increment version number within config "version": "3.1.5" --> "version": "3.1.6"

Update vep config file:

• “id" : 'file-GkkF90j4z6j9vqqvjJz786jb' → 'file-GpV6G9Q4z6jKJ2qVFGK1v0g2'

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