Copy/paste sample: Base64-encode signalling messages.
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.
Show the proxying state in the copy/paste sample's UI.
Merge branch 'dev' into matthild_copypaste_status

Conflicts:
	src/samples/copypaste-socks-chromeapp/getter.html
Show proxy's listening address and usage example in UI.
Make the 'connecting' state visible in the UI.
Translate new messages to Arabic, Farsi, and Italian.
Reword the "Connecting..." message for clarity.
Remove old TODO (it's done now).
Merge pull request #152 from uProxy/matthild_copypaste_status

Copy/paste sample: Show current connection status in the UI.
Add a 'stop proxying' button to the copy/paste sample.
Minor polishing.
Merge pull request #154 from uProxy/matthild_copypaste_stop

Copy/paste sample: Add a 'stop' button to the UI.
Merge branch 'dev' into freedom-v0.6
move to latest freedom-for-firefox