additional documentation
adding additional documentation for TCGAFMP_DCC_REPOSITORIES; should contain 'rppa' subdir
archiving unused file
adding additional documentation for firehose config var
adding TCGAFMP_PYTHON3 config var
Merge branch 'develop' of https://github.com/cancerregulome/gidget into develop
moving fmp/main scripts to use utility for required env vars and converting hardcoded paths to configured variables