gplugin/gplugin

Merged in feature/find-newest-plugin (pull request #76)
develop
2020-04-18, Gary Kramlich
eb50be5ccf03
Merged in feature/find-newest-plugin (pull request #76)

Added gplugin_manager_find_plugin_with_newest_version

Approved-by: Richard Laager
Approved-by: Elliott Sales de Andrade
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>