added warpinit command
Merge branch 'master' into C++11
warpinit: update to C++11 syntax
dirmerge: fix to prevent warnings with clang
Fixed problem with fixel colour windowing
Merge branch 'github_master' into C++11
DWI::normalise_grad() should not modify b-value

Adjusting the b-value according to the norm of the gradient vector is
now handled by DWI::scale_bvalue_by_G_squared().
DWI::normalise_grad() should not modify b-value

Adjusting the b-value according to the norm of the gradient vector is
now handled by DWI::scale_bvalue_by_G_squared().
Fix read-write functionality in compressed image formats

GZ image handler wrapper was not having the header contents filled with data on image load. Therefore, if the image was opened read-write, the re-written header would contain uninitialized data.
App::parse(): Fix assignment of arguments to definitions

This was previously causing a buffer overrun error in any command that received multiple instances of a particular argument at the command-line.
Merge branch 'master' into C++11
mrcat: fix bug and use multi-threading
Fix crash in help page display when command name is too long
Image::Filter::Smooth: allow use of types other than float

This is useful to allow operation on e.g. complex types
Image::threaded_copy: allow copying onto different types

This works as long as compiler can perform implicit type conversion
between the input and output image types
Math::Vector: fix use of legacy Math::ceil()
New Image::Filter::fft() function for in-place FFT
Changes to prevent build failure on 32-bit systems
Merge branch 'C++11' into ROI_tool
Minor change to prevent warnings with some compilers