Bump NPM version to 0.2.4 in preparation for publishing.
Bump NPM version to 0.2.4 in preparation for publishing.

jlongster/transmogrifier,jlongster/transmogrifier,RReverser/js-goto-transpiler,juliocanares/regenerator,facebook/regenerator,RReverser/js-goto-transpiler,liviuignat/regenerator,jlongster/unwinder,sebmck/regenerator,sebmck/regenerator,kittens/regenerator,facebook/regenerator,juliocanares/regenerator,rafaelstz/regenerator,Jericho25/regenerator,Jericho25/regenerator,jlongster/unwinder,kittens/regenerator,facebook/regenerator,liviuignat/regenerator,jlongster/unwinder,rafaelstz/regenerator