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.