modulateImage. More robust management of volume vs vector shader in
glvector_funcs.

from a label file. Other minor typo fixes.

code was inconsistent with regard to whether a set of labels should be
'signal' or 'noise'.

between original data range, data-type range, and texture (0-1) range,
16 bit data can become inaccurate for mask images.

were being plotted.

PlotPanel auto-limit calculation.

moves. Greatly improves performance when running over X11

in a FEAT directory (but only if the filtered_func_data is in the
overlay list).

grids, due to slightly incorrect logic in overlay list changed handler.

destroy). OverlayList.find made a bit smarter - ignores NIFTI file
extensions.

FeatImage.fit (caused I think by a numpy bug).

fixed little bug in OrthoViewProfile - mouse down position can sometimes
be None.

occurring for various things.

flirt) from frozen fslpy.

28df70c4. Also, mouse-wheel changing of selection cursor size was
not working due to weird mapping in profilemap.py.

runnign under GTK/SSH/X11.

created, so AtlasPanel was not being initialised with atlas list.
Fixed, and also added some notes for possible future method to
keep track of changes to FSLDIR (and solve my disabled 'Add standsard'
menu item issue)..

situations whereby two lists could be simultaneously added. Also fixed
GLLabel refresh issue (related to previous commit). Also,
LookupTablePanel was re-creating label list even when the lut had not
changed - no longer doing this.

   values in said cache.

2. So I created new memoize decorators skipUnchanged and Instanceify to
   implement the setter value cache.

3. And discovered that, for colour map changes, canvases were only being
   redrawn because the GLSLShader value cache was broken.

API docs.