Added content introduction
Merge pull request #58 from rowoot/content-introduction-rebase

Added content introduction
Minor edits to index and TOC
adds CHAPTERS_DIR to gulp.watch
Merge pull request #59 from gaboesquivel/master

live reload when the markdown changes
Correct casing
Merge pull request #61 from sokra/patch-1

Correct casing
Close GH-60: Capitalize H1s and fix navigation link.
about browserify modules and transforms
Merge pull request #63 from gaboesquivel/browserify

about browserify modules and transforms