added sphinx template for doc unit
updated readme
api does not need to be renamed since it doesnt clash
renamed pylab examples dir to fix import breaks
cleaned up some imports to accord with coding guide
Describe polar-plot-specific zooming/panning.
forgot to plot circles in last plot (bluemarble background)
some ports of the old locators and formatters to the new api
don't use runtime_library_dirs on windows
add expand_vertical and expand_horizontal flags
