Gl 1474 sn-ss2 build indices (broadinstitute#292)

* added  wdl tasks for snSS2 indices

* created the build-incides docker files and cleaned up the add-introns-to-gtf.py file

* added python script run to modify gtfs

* changed script path to absolute path in the docker

* updated pipeline version in the wdl

* Update README.md

* updated star to 2.7.9a

Co-authored-by: Kishori Konwar <[email protected]>
Co-authored-by: ekiernan <[email protected]>

Trying to revert develop (broadinstitute#288)

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Trying to revert develop (broadinstitute#288)

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Trying to revert develop (broadinstitute#288)

Reverting back to a previous commit of develop

Trying to revert develop (broadinstitute#288)

Reverting back to a previous commit of develop

Trying to revert develop (broadinstitute#288)

Reverting back to a previous commit of develop

Trying to revert develop (broadinstitute#288)

Reverting back to a previous commit of develop

Trying to revert develop (broadinstitute#288)

Reverting back to a previous commit of develop

Trying to revert develop (broadinstitute#288)

Reverting back to a previous commit of develop

Trying to revert develop (broadinstitute#288)

Reverting back to a previous commit of develop