Release Name: Anima v2.2

MICCAI 2017 release of Anima (bug fixes and a some new tools)

Binary versions compiled for Fedora 25 (64 bits) and above, Ubuntu 16.04 (64 bits) and above, OSX 10.9 (Mavericks) and above, and Windows 7 (64 bits) and above. For more recent versions or if these binaries do not work on your OS, please build them from source (refer to the wiki for this).

Please refer to the documentation wiki for more details on how to use those tools.

Among new things are the following:
- add multi-compartment model registration
- make multi-compartment model interpolation source code public
- add higher order SVF transformation exponentiation
- add arithmetic tool to perform operations on dense transformations and SVFs
- simplify noise generation tools to only one animaNoiseGenerator
- add Nyul et al intensity normalisation tool
- change DTI estimation to ensure positive definite tensors
- add fibers ROI filtering tool
- add opening and closure filters to morphological operations
- bug corrections in non-local patient to group comparison tools
- Other minor bug corrections