add progress option for espota.py and fix typo in ArduinoOTA#1003

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igrr merged 3 commits intoesp8266:masterfrom

me-no-dev:master

Nov 12, 2015

Commits on Nov 11, 2015

add progress option for espota.py and fix typo in ArduinoOTA
Me No Dev
committed

Commits on Nov 12, 2015

Skip authentication when password is empty
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Fix upload progress and randomize the server port
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