update rsem_ref_index (broadinstitute#267)

choosing to merge this in despite failing pipeline release validation. This pipeline isnt released so there is no changelog.

Merge pull request broadinstitute#261 from broadinstitute/staging

staging->master

Merge pull request broadinstitute#261 from broadinstitute/staging

staging->master

Merge pull request broadinstitute#261 from broadinstitute/staging

staging->master

gl-1383 move GDCWholeGenomeSomaticSingleSample.wdl out of beta pipeli…

…nes and remove miniwdl check (broadinstitute#255)

* moved GDCWholeGenomeSomaticSingleSample.wdl out of beta into pipelines, updated changelog/version, updated paths in scala test/pullapprove template

* make mem input not optional

* remove miniwdl check because we are already checking our wdls with womtools

* move gdc.png file to pipelines/

* move to /warp/pipelines/broad/dna_seq/somatic/ instead

* udpate imports

* not 2020 anymore

Merge pull request broadinstitute#261 from broadinstitute/staging

staging->master

Merge pull request broadinstitute#261 from broadinstitute/staging

staging->master

Merge pull request broadinstitute#261 from broadinstitute/staging

staging->master

Merge pull request broadinstitute#261 from broadinstitute/staging

staging->master

Merge pull request broadinstitute#261 from broadinstitute/staging

staging->master