ENH: Faster & normalized gauss FFT, fixed tube/seed/ridge param IO
Merge pull request #310 from aylward/EnhanceTubesAndIO

ENH: Faster & normalized gauss FFT, fixed tube/seed/ridge param IO
BUG: Eliminate full path from parameter files
Merge pull request #311 from aylward/EnhanceTubesAndIO

BUG: Eliminate full path from parameter files