Update html2text repo URL

New maintainer since:
https://github.com/aaronsw/html2text/issues/91
Update README.md
Update README.md
Added PyVows
Added "Package Repositories" section, and making a start with "devpi"
some more PyPI-related entries
added warehouse
sixpack testing f/w added
Merge pull request #200 from corpix/pyvows

Added PyVows
Merge remote-tracking branch 'andrej2704/master'

Conflicts:
	README.md

Fixed
Merge commit 'e4c28b6abc79a9c9bd015e21723b0e848cf271aa'
fix
Merge commit 'c1baa03140a7641001035703497e475438b48b2c'

Fixed
Merge commit 'e94c0bd5cabf7884991a2571c69e37844af3f091'
cut words
Merge pull request #55 from Alir3z4/patch-1

Update html2text repo URL
Update README.md
Added: orange, RDKit, Open Babel, cclib and Biopython
Update README.md
Added Atom plugins