Support/os34dc

[rayshobby]

close #281
close #279

• Support for OS 3.4 DC (setting target PD voltage and displaying actual PD voltage)
• Support queuing option for manual actions (qo parameter in /cm, /cr, /mp). Works on firmware 2.2.1(4) or above.
• Refactor and simplify submitRunOnce function, including converting the previous multi-modal confirmations to a single dialog.
• Add Clear this alert to overcurrent alert in status bar
• Supports http/https scheme in user-defined wsp (issue Incorrect protocol used when querying local weather service for baseline ETo #279)
• Fixed a few bugs:
  • After a zone is postponed, its count down timer was still running
  • Rain delay (and sensors) events were displayed incorrectly in log
  • OSApp.StationAttributes.getSequential was calling getGIDValue without a parameter
  • Deleting a program alters (until page refresh) the disabled status of programs behind it
  • OSApp.StationQueue.isActive was only counting running stations (not including paused)
  • keyIndex mismatch (issue Issue: keyIndex list values may be incorrectly assigned #281)

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