gplugin/gplugin

Add a core flag to decide if we log plugin state changes

2021-09-24, Gary Kramlich
fb61d7111522
Add a core flag to decide if we log plugin state changes

Testing Done:
Tweaked gplugin-query to enable the flag for testing.

Bugs closed: GPLUGIN-138

Reviewed at https://reviews.imfreedom.org/r/933/
The following individuals have contributed to this project.
Ankit Vani <a@nevitus.org>
EionRobb <eion@robbmob.com>
Elliott Sales de Andrade <quantum.analyst@gmail.com>
Gary Kramlich <grim@reaperworld.com>
ivanhoe <ivanhoe@fiscari.de>
Jason Scherer <schereja@gmail.com>
John Bailey <rekkanoryo@rekkanoryo.org>
Mike Ruprecht <cmaiku@gmail.com>
Olaf Hering <olaf@aepfle.de>
Richard Laager <rlaager@pidgin.im>
Sorvival <sorvival@tutanota.com>