updated docs
Merge branch 'master' of github.com:YeoLab/flotilla

* 'master' of github.com:YeoLab/flotilla:
  Data package fixes for cardiac
  fix too long lines
  working on database things
  fix pycharm wrapping annoyance in .travis.yml
  remove Study import because it was circular and messing things up
  fix reading path of main data in datapacckage
  fix reading path in datapacakg3e from filename
  added parts for fetching custom gene lists from local files or web links
  moved database things out
trying to fix .travis.yml
trying to fix .travis.yml