adding script to generate reads from IMGT/HLA *_gen.fasta files
Merge pull request #79 from mheuer-nmdp/generate-reads

Adding script to generate reads from IMGT/HLA *_gen.fasta files
increasing mean coverage from 100x to 1500x
fix ref fasta links
Merge pull request #83 from mheuer-nmdp/increase-coverage

Increasing mean coverage from 100x to 1500x