Added Broccoli-swig to plugins list.
Merge pull request #30 from shanielh/master

Add Broccoli-swig to plugins list.
Case-insensitive Brocfile.js lookup.
Merge pull request #32 from astralfoxy/master

allow case-insensitive brocfile.js
Update CHANGELOG
Link broccoli-replace
readme - add some more plugins to the list