gplugin/gplugin

Finally replace bitbucket.org with keep.imfreedom.org

2020-09-21, Gary Kramlich
2116940747cd
Finally replace bitbucket.org with keep.imfreedom.org

Testing Done:
compiled and ran gplugin-gtk-viewer.

Reviewed at https://reviews.imfreedom.org/r/129/
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>
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>