ran js-beautify on all bitcore source

js-beautify -s 2 -r *.js

...did not run on bundles, only on source.
Merge pull request #394 from ryanxcharles/feature/beautify

ran js-beautify on all bitcore source
add tests that confirm Message works with buffers
Merge pull request #397 from ryanxcharles/feature/confirm-message-works-with-buffer

add tests that confirm Message works with buffers