Add initial files for firefox extension.
Add firefox to gruntfile.
Get freedom started in firefox. socks-rtc is failing to load at this point.
Have gruntfile copy echo server into firefox build directory.
Remove time delay for starting up echo server.
Add freedom-for-firefox dependency to build process.
Merge branch 'master' into paul-firefox
Add Firefox info to README.
Remove duplicate file files and copy them from the chrome directory instead.
Merge branch 'master' into paul-firefox

Conflicts:
	package.json
Merge pull request #75 from uProxy/paul-firefox

Create firefox build of socks-rtc