Used by new gifti function relatedFiles

labels - failing when trying to load a label file with no noise components.

xform. Transform module has new flirtMatrixToSform function which
turns a FLIRT matrix into a src -> struc sform transformation.

returning/assuming transposed affines (column-major). This is because that's
what OpenGL uses.

when it is. New functions in transform module.

Little bugfix in Notifier - calling skip/enabled methods with no listeners
registered would result in error.

identifying reference image associated with a FIRST vtk file.

path looks like part of an incomplete file group.

when called programmatically.

the default file extensions (i.e. the FSLOUTPUTTYPE) - this is used by
the fslpy_immv/imcp command line scripts.

sinfully ugly.

copies/overwrite errors. Made imcp overwrite check more robust.

dictionary. Intead, they use 'file groups', which is conceptually much
easier to understand. New functions splitExt and getFileGroup.

Also added imcp and immv functions, which perform the equivalent of the
FSL imcp/immv scripts (but are more general).

has been changed to nearest-neighbour)

previous commit.

readbuf size, despite profiling showing that it doesn't make much
difference.

as it wasn't working previously.

using a software or hardware GL renderer.

multiple topics to be specified.

instead of props.

given topic.