disk_cache2: add doCompress option on set

Signed-off-by: Mark Histed <mhisted@gmail.com>
frm: error checking on file read (catch tries for tilde expansion that Java rejects)

Signed-off-by: Mark Histed <mhisted@gmail.com>
add cell2matpad - keep cell2mat_padded for backward compat

Signed-off-by: Mark Histed <mhisted@gmail.com>
doc change

Signed-off-by: Mark Histed <mhisted@gmail.com>
cell2matpad/_padded doc updates to make clear which one to use, which is deprecated

Signed-off-by: Mark Histed <mhisted@gmail.com>
axes_draw_scalebar bugfix  for 1-tick per axis

Signed-off-by: Mark Histed <mhisted@gmail.com>