[tools, scripts] No file output from plot_test.py
[mix_adapt] bugfix GaussianInference for 1D data

o add test cases for 1 for GaussianInference and VBMerge
[tools] plot_mixture: fail on error for 1D data
[doc] Add matplotlib's sphinx extension `plot`
[setup] Let cython embed call signature into doc string
[setup,doc] Add metadata in setup.py

o add doc/abstract.txt for the long package description
[pypmc] bump version to 0.9
[doc] Update doc strings in source code

o reflect ``embed_signature`` change
o beautify sphinx output
o correct indentation
[doc] Major overhaul

o add separate pages for introduction, installation, user guide
o user guide still incomplete
[setup] Remove codecs.open to fix python3 build
[pypmc] Fix build from source distribution

o no longer require cython
o add MANIFEST.in to copy over ez_setup into tarball
[doc] Switch to pngmath: pypi requires static html
[pypmc] update README, add it to MANIFEST.in
[MANIFEST.in] include LICENSE in sdist