Merge pull request #114 from KasperTidemann/master

Alphabetic ordering of the list of plugins
Improve test
Move all builder tests into "core functionality" section
Allow Watcher interval to be configurable.

Running `broccoli serve` on the Ember code base takes approximately
13.5% CPU on a rMBP. Modifying this interval to 250 cuts that to
approximately 6%.
Allow custom watcher for serve command.

I would like to be able to use a custom Watcher with the serve function.
I obviously could duplicate the code that exists in `lib/server.js`, but
the only tweak I would like to make is to pass a different watcher.
Merge pull request #118 from rjackson/allow-interval-to-be-configurable

Allow Watcher interval to be configurable.
Merge pull request #119 from rjackson/allow-custom-watcher-for-serve

Allow custom watcher for serve command.
Added broccoli-jstransform to README.md
Add broccoli-imagemin to readme
Merge pull request #127 from Xulai/patch-1

Add broccoli-imagemin to readme
Add graph in preparation of profiling logic
Add timing info to graph returned by builder
Merge pull request #123 from aexmachina/master

Added broccoli-jstransform to README.md
Add broccoli-timepiece and broccoli-caching-writer, stop recommending broccoli-env

Also alphabetize.
Add broccoli-rev to README
readFileSync instead of using send module (fixes #128)
Merge pull request #130 from krisselden/fix-server-builder-race

readFileSync instead of using send module (fixes #128)
Remove Windows warning.
Merge pull request #131 from rjackson/windows-issues-resolved

Remove Windows warning.
Update CHANGELOG