Added support for masked array input to scatter.
moved some latex-specific font commands in get_tex_command
Now in matplotlib dir.
bugfix in ps.usedistiller dependency check
Fixed some bugs in usetex and ps.usedistiller dpendency checking
Fixed some a bug in validate_ps_distiller
This commit was manufactured by cvs2svn to create tag 'v0_86_2'.
0.86.2 prep
numpy compat fix
improved external dependency checking for usetex, psdistiller options
