clip plot region to be within -89.99S and 89.99N for Mercator
changed version
Check that default values of llcrnrlat and urcrnrlat are not used for Mercator
raise exception if llcrnrlat or urcrnrlat are at poles for mercator
make ticker.py draw correct minus signs with usetex
don't run warpimage.py
fixed reg exp for finding svn rev
more informative error message
updates for warpimage.py
Remove, due to licensing.
