Release v4.7.2

[seratch]

Summary

• Bot: catch and react to disconnection event (Bot: catch and react to disconnection event #572) thanks @mistydemeo
• Fix hubot-slack calling bots.info a suspicious number of times #586 hubot-slack calling bots.info a suspicious number of times (Fix #586 hubot-slack calling bots.info a suspicious number of times #588) thanks @mistydemeo @seratch

@aoberoi @shaydewael @stevengill
If someone can merge this PR and publish the npm package for me, that'd be appreciated.

Requirements (place an x in each [ ])

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.

[codecov]

Codecov Report

Merging #590 into master will not change coverage by %.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #590   +/-   ##
=======================================
  Coverage   84.93%   84.93%           
=======================================
  Files           6        6           
  Lines         385      385           
  Branches       85       85           
=======================================
  Hits          327      327           
  Misses         34       34           
  Partials       24       24           

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[seratch]

Can anyone approve this? I'm going to release a new version early next week.