Added ftell and fseek in stream.c
Export to ADSC format.

This is useful for manual inspection of indexing in iMOSFLM.
Since the original pixel doesn't have one-to-one correspondence in
the output image, this is not perfectly accurate.
Added scrollbar in hdfsee
Load stream file directly into hdfsee, showing spots and (multiple-)lattices simultaneously
Multiple lattice indexing

This is done by repeatedly calling external indexer(s) after removing
indexed spots from the list.

TODO: should be made switchable without recompiling.
Merged branch 'master' into hdfsee.

When binning is changed, the window tries to resize
even when the screen is much smaller. I respected the
official distribution in this commit. See the commit
"Added scrollbar in hdfsee" for alternative possibility.

Fixed conflicts in
	src/dw-hdfsee.c
	src/dw-hdfsee.h
Add opencl library dir, if given, to linker path
Add add-beam-params and find-pairs
Fussiness
hdfsee: Fix height of status bar
hdfsee: Disable calibration mode option when appropriate
gettimeofday() fixes
Update gnulib files
Added description for 'experimental' branch
Use Gnulib forkpty()
Ignore lib/stdalign.h
Add missing Gnulib files
Clean up a couple of warnings
Report final indexing percentage
Clean up a warning