adding sourcemap support via --debug flag
use browser-pack ~0.4.0 for source maps
remove superfluous declaration
2.5.0
fix docs and usage for --debug/-d
Document `opts.debug`
Merge pull request #321 from ForbesLindesay/patch-1

Document `opts.debug`
Merge remote-tracking branch 'upstream/master'

Conflicts:
	bin/cmd.js
Add browserify-ejs to list of known transforms