Initial work on CLI
It lives! Get basic CLI working
Scrap node-stdout; implement it.
Get http request error handling roughly working.
Merge branch 'master' into 19-cli

Conflicts:
	app.js
Add --share option to cli.js

Also add some option descriptions, and remove the unused --verbose.
URL-encode the transform in the share URL
Merge branch 'master' into 19-cli

Conflicts:
	app.js
Add some usage instructions to cli.js
Require at least one input argument to cli.js
Output nicer-looking share URLs from cli.js
Rename cli to datapipes
Remove leading/trailing slashes/whitespace
Add 'web mode' to cli.
Merge branch 'master' into 19-cli

Conflicts:
	app.js
Split web mode and cli mode to separate commands
Merge pull request #84 from okfn/19-cli

Get basic CLI working