[FIX] correctly parse clfrac input parameter
Fixed tests
Merge pull request #758 from mfalkiewicz/master

[FIX] correctly parse clfrac input parameter
Fix inconsistent indentation
Catch only KeyErrors when checking for env var
enh: Add support for spm/mcr config via env vars

This patch adds support for enforcing and configuring the spm MCR standalone
version via environment variables. The respected environment variables are:

    FORCE_SPMMCR: any value, sets use_mcr to True
    SPMMCRCMD:    command to use when running spm MCR, if use_mcr is True
Merge pull request #759 from rku/enh/spmmcr_env_config

ENH: Add support for spm MCR configuration via environment
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
regex matching bug fixed in interfaces.spm.model
Merge pull request #767 from dmcnamee/master

regex matching bug fixed in interfaces.spm.model (closes #725)