Update src/documents/index.html.md

fixed typo
Merge pull request #1 from ginader/patch-1

Update src/documents/index.html.md
Merge branch 'master' of https://github.com/docpad/html5-boilerplate.docpad
Updated for H5BP v4.0
Updated log.js and modernizr.js for H5BPv4
Add grunting
initial changes