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
fixed a bug in backend_agg's usetex support
fixed tex caching in agg
added latex font name to tex prefix
Get NewAxis from numerix, not numerix.ma.