longer returned by anything - only label values (i.e. volumeindex + 1) and
proportions are returned.

labels than in the description (the striatum ones).

weighted mean correctly.

adjusted resample method to force float output (although this might change).

featdesign.loadDesignMat function

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

0. AtlasRegistry is no longer thread-safe. It was causing too much
   trouble, and loading atlas descriptions is not a bottle neck anyway,
   so it's completely unnecessary.

1. AtlasDescriptions are now stored as a sorted list.

2. All atlases (including those in $FSLDIR) are saved.

3. More AtlasRegistry methods to rescan, check, and remove atlases.

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

previous commit.

habit of calling it mutliple times from different threads. Some updates
to AtlasDescription class - am intending to allow users to select
atlas resolution.

already set). Related: atlases module does not give up on first import
if FSLDIR is not set - it checks on each function call.

available. ImageSelectPanel works if image list is empty

Refresh. *But* the SliceCanvas position listener does call draw
directly, thus hopefully achieving the same effect.

documenting/commenting, and probably needs more testing.

functional. AtlasOverlayPanel is back to displaying atlases/regions, but
is not yet able to toggle overlays.

display information for, and can show/hide label masks for individual
regions

Fixes to GLVolume/GLMask colour map creation in situations where the
image data only has a single value.

module, which exposes the data in $FSLDIR/data/atlases, and have
started working on an 'AtlasPanel', which will show the user region
information, and allow them to enable/disable regional/whole-atlas
overlays.