Merge pull request #548 from AAVSO/545-star-groups-preference-updates…

…-should-not-require-reboot-to-appear-in-new-star-from-aid-dialog

#545: added notifier & listener to update load from AID dialog

#502: updated release date in change log

updated citation file and revision accessor

updated date in citation file

Tag for the 2.22.0 release.

updated build number

2.21.3 release

Merge pull request #73 from AAVSO/issue-68-lightkurve

Issue 68 lightkurve

Merge pull request #69 from AAVSO/issue-67-HJD-neg-dec

#67: fixed dec min/max in dialog field; also fixed RA min/max

Merge pull request #69 from AAVSO/issue-67-HJD-neg-dec

#67: fixed dec min/max in dialog field; also fixed RA min/max