DOC : add sphinx skeleton
Merge pull request #5 from dmpelt/master

Use optional user-specified level for stripe removal
DOC : fleshed out sphinx files
Merge pull request #6 from tacaswell/sphinx

Sphinx
BLD : make env variables optional

Builds/links fine with system installed versions of the library, only
warn if user has not explicitly added extra paths to LD_LIBRARY_PATH
and C_INCLUDE_PATH.
Merge pull request #7 from tacaswell/bld_tweak

BLD : make env variables optional
DOC : small tweaks to documentation
DOC : added Mock

Added enough mocking that the docs will build with out building
the library.

This _should_ enable ReadTheDocs to cope with this project.
Merge pull request #8 from tacaswell/doc_fixes

Doc fixes
Merge remote-tracking branch 'upstream/master'

Conflicts:
	setup.py