gplugin/gplugin

Setup meson devenv and port gplugin-gtk3-viewer to use the gplugin option group

2021-10-03, Gary Kramlich
197847a9814e
Setup meson devenv and port gplugin-gtk3-viewer to use the gplugin option group

Testing Done:
Ran the unit tests, and verified that `gplugin-query` and `gplugin-gtk3-viewer` show all of the test plugins.

Reviewed at https://reviews.imfreedom.org/r/988/
if get_option('nls')
i18n.gettext(GETTEXT_PACKAGE)
else
summary('translations',
'You have disabled installation of translations which means ' +
'English will be the only available language.',
section : 'Warnings')
endif