0.0.6

Adds some backwards-compatibility fixes

CHANGELOG

• [FIX] Python 2.7 issues and testing (#130, #135)
• [ENH] Compress surface segmentation reports (#133)
• [ENH] Write bias image in skull-stripping workflow (#131)
• [FIX] BBRegisterRPT: Use inputs.subjects_dir to find structurals (#128)
• [ENH] Fetch full 2009c from OSF (#126)
• [ENH] Coregistration tweaks (#125)
• [FIX] Be more robust in detecting SVGO (#124)
• [ENH] Enable Lanczos interpolation (#122)