Merge pull request #589 from scraperwiki/dev-speedup

Cache js('app') and js('template/index') in dev
Use should's exist instead of should's property

On my machine (Macbook Air) it took 20 seconds (!) when using
should.not.have.property, all CPU bound. It's very fast
just doing should.not.exist.
Move mocha() function to its own /bin/
Re-source nvm.sh before nvm use
Remove box.json mention in docs
Merge pull request #592 from scraperwiki/update-box-json-docs

Remove box.json mention in docs
Make publish token ourselves
Require it
Merge pull request #593 from scraperwiki/custard-make-publish-token

Custard make publish token
Fix typos in help-developer.eco.

Case of JavaScript, GitHub and "disoverable" > "discoverable".
Upgrade ZeroClipboard
Merge pull request #594 from scraperwiki/upgrade-zeroclipboard

Upgrade ZeroClipboard
Merge pull request #590 from scraperwiki/speedup-tests

Speed up unit tests by 20 seconds
Typo
Merge pull request #591 from scraperwiki/activate-improvements

Improvements to activate script
Sort requirements
Upgrade to express 4
Upgrade mocha to 1.11
Upgrade to coffee-script 1.7
Fix mocha for coffee 1.7 (visionmedia/mocha#1120)