New Community Features

This minor patch adds community-built features into clasp. 20 PRs. Featured improvements:

• Better login and auth @mainmode1 #316
• clasp pull --version @fossamagna 007380d
• clasp logs --setup @campionfellin a47a2a7
• clasp create --rootdir @fossamagna 9297b98
• clasp run --dev @mainmode1 #317
• Travis fixes by @campionfellin #328
• clasp open prints URL by @tekamoment #329

Thanks for all of the contributions @mainmode1, @fossamagna, @campionfellin, @abetomo, @tekamoment, @shouichi, @glittle, @sat0yu, @valen22br! 🎉

See the full diff.