patch changes except for those in plot/animate.py
patch animate.py
allow user to override default png_dir; use tmp_filename for output, instead of graphics_filename
fix handling of extensions with tmp_filename: need to explicitly include . with extension
fix indentation problem
fix failing doctests
minor fixes to docstrings
more examples of 3d animation
missed key feature of patch: call save_image instead of save
fix problems with ffmpeg rendering options and verbosity
remove commented code, move author info to top
terminology update
terminology update
csage: remove the psuedo-depedencies polybori and pynac
Make sure tinfo is correctly linked in when needed on Cygwin.
Use pari_init_stack() instead of old allocatemoremem()
Merge branch 'master' into ticket/12827
first try to fix doctest continuation and trailing whitespace
another doctest continuation fix
few more fixes to trailing whitespace and doctest continuation