BF: Fix DataFinder bug introduced in d985f677
Merge pull request #761 from moloney/bf-datafinder

BF: Fix DataFinder bug introduced in d985f677 (Test is TODO)
ENH: .travis.yml - no need for apt-get update -qq (neurodebian magical script does it), travis_retry to robustify apt-get from neurodebian
Merge pull request #764 from yarikoptic/enh/travis-yml

ENH: .travis.yml - no need for apt-get update -qq, add travis_retry to apt-get