Add the optimist library for command-line parsing
Incorporate optimist in to avrodoc to support numerous command-line parsing options
Update the README and help on avrodoc new usage
Merge pull request #8 from inome/feature/incorporate_optimist_commandline_options

Use optimist library for parsing command line options
Move command-line handling code to lib/
Make jshint pass again
Add changelog
Version 0.3.0