Upgrade to latest DocumentJS

This upgrades everything to work with the latest DocumentJS. Works well.
Fixes #262 [ci skip]
Make API active when not in the index

Just did this the way that the documentjs layout template works.
Use release version of documentjs

0.1.3
Merge pull request #266 from bitovi/upgrade-docs

Upgrade to latest DocumentJS
Steal 0.4.0 / Steal-Tools 0.5.0 docs