Update readme

Add link to `beefy` header.
Remove duplicate `of`
Update deprecated events package
Merge pull request #10 from cuth/eventsLink

Update deprecated events package link
add "main" key to package.json
link to gulp watchify reciple
dedupe
standalone
Merge branch 'master' of github.com:substack/browserify-handbook
how node_modules works
remove false positives from policing-boundaries link
Merge pull request #12 from seanewest/special-case

remove false positives from policing-boundaries link
more about assets using brfs
Merge branch 'master' of github.com:substack/browserify-handbook
extra note about requiring files individually from a package
Merge pull request #9 from francismakes/master

Update readme - link and typo
Merge pull request #11 from oren/patch-1

add "main" key to package.json
Add table of contents

1st & 2nd level headers. Fixes #13.
Merge pull request #14 from madbence/feature-toc

Add table of contents
note about transforms when modularizing packages