NiWorkflows, and including some bug-fixes/enhancements.

DOC: Ensure copyright notice is found in all Python files (#248)
FIX: Mask T1w images before transforming to template (#237)
FIX: Account for label entity when querying brain mask (#257)
MAINT: Use separate fallback cache for maint/0.7.x (#250)
MAINT: CircleCI housekeeping (#258) (#259)