Specify license in .gemspec file

Otherwise, a warning is produced while building
Merge pull request #12 from baskerville/master

Specify license in .gemspec file
ensure that man/ directory exists for md2man:web
minitest 4.7.5 provides spec library via autorun
use a proper CDN to access Bootstrap 2.3.2 styling
bundle update
Version 2.0.1 (2013-08-29)