Robotica

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Fixed
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* Fixed bugs associated with timer.

Changed
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* Timer uses current action for first event.
* Ability to replace/cancel timers.
* Add timer cancel notification.

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Changed
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* Add timer count down from previous event.

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Changed
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* Minor tweaks to timer algorithm.

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Changed
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* Don't send MQTT timer or template messages, these are handled locally.

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Changed
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* Don't send MQTT message on timer=0 minutes.
* Send more data on MQTT messages.

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Added
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* Added server side timer.
* Add ability to schedule template at arbitrary time.

Changed
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* Update to latest aiolifxc.