improved structure and logging for sample chat app
minor gruntfile and pc tweaks
fixed data channels to avoid bad renegotiations (start by openning a channel)
cleaner freedomchat sample; added onceDataChannelOpened to freedom API
fixed to avoid freedom/chrome/node bug that stops array buffer views from being used between modules
moved to using arraybuffer slice
Merge branch 'dev' into iislucas-pc-tweaks
package version update
updated for fixed freedom-for-chrome dep version
updated and fixed package.json w.r.t. fixed freedom-for-chrome
Merge pull request #44 from uProxy/iislucas-pc-tweaks

fixes to peer-connection (avoid renegotiations)