document socket protocol better
CoreNLP dir as an arg.
Add corenlp dir as an arg. Minor reformatting.
Merge pull request #1 from johnb30/modifications

Modifications
Merge branch 'master' of https://github.com/brendano/stanford-corepywrapper
fix shell expansion for classpath
(zsh, at least, can’t expand tilde inside
colon-separated path)
can specify configfile