#313: README.md, initial definition of 'scikit-learn'
#313: README.md, add to 'Scikit-Learn' definition
#313: README.md, fix typo
#313: README.md, link text
#313: README.md, fix typo
#313: README.md, adjust 'Scikit-Learn' subsection
#313: README.md, fix typo
Merge pull request #419 from jeff1evesque/doc_scikit_learn

#313: Documentation: Define 'Scikit-Learn' Subsection