log at warning level generally but info for proxy components
Copy/paste sample: Base64-encode signalling messages.
echo server module depends on logging
Merge pull request #148 from uProxy/trevj-echo-server-firefox-quickfix

echo server module depends on logging
simple socks for firefox
Merge pull request #149 from uProxy/trevj-simple-socks-firefox

simple socks for firefox
Clarify variable names & fix a typo.
Merge pull request #150 from uProxy/matthild_copypaste_base64

Copy/paste sample: Base64-encode signalling messages.
Add missing return value to non-void function.

(Somehow the Typescript compiler didn't complain.)
Use C++-style comments, not JSDoc-style comments, per uProxy style guide.
Fix whitespace.

- Convert tabs to spaces.
- Remove trailing whitespace.
Merge pull request #151 from uProxy/matthild_copypaste_cleanup

Copy/paste sample cleanup.
Merge branch 'dev' into trevj-rtctonet-session-tests
add tests for RtcToNet.Session lifecycle