* Update ChainGovernorResetReleaseTimerRequest protobuf message
* Add numDays argument to governor-reset-release-timer command
* Update governor backend to support numDays argument
* Address review comments
* Add test for resetReleaseTimerForTime()'s numDays parameter
* Address review comments
* Add adminrpc test for ChainGovernorResetReleaseTimer
* Replace hardcoded upper boundaries with maxResetReleaseTimerDays
* Update governor whitepaper to reflect the new argument
* Added default value to governor whitepaper
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Co-authored-by: Jason Matthyser <jason@asymmetric.re>