Packaged, added setup.py
Optional backend switching module kaplot_backend
Docs shuffling, and $ -> ` for markdown.
Implemented settings dictionaries, and moved defaults to submodule.
Updated setup.py for pypi, also get version from kaplot/__init__.py directly
Version bump
** 04/01/2014 , v0.8 **
- docs improvements
- made into packages (ie folders, init.py and setup.py)
- setup.py ready for putting on pypi
- backend switching
- kaplot.defaults submodule, and full custom settings implementation
  (done in the settings dictionary of dictionary style)
- bump to version 0.8