use interfaces from the utransformers npm
Merge branch 'master' into trevj-transformer-interface
Merge branch 'master' into trevj-transformer-interface
import latest utransformers and add regex2dfa
copy regex2dfa into the lib folder
update file references for new folder in npm
Merge pull request #22 from uProxy/trevj-utransformers-0.2

use uTransformers v0.2