[ Samuele Pedroni ] * switch poller to use killswitch state for WLAN instead of misleading NM property (LP: #1446584) * don't have goroutines from a previous test overlap with the next, races gets detected otherwise * have the TestDialWorksDirect* tests quickly timeout, go1.3 wants a ServerName set in the tls config for them to work * fix flaky test * support sha384/512 certs, some exercizing of that * let send a build number with acceptanceclient * add helper to get int out of ConnectMsg Info Approved by: Samuele Pedroni