gplugin/gplugin

Prepare for the 0.37.0 release
v0.37.0
2021-11-11, Gary Kramlich
edd74683ec34
Prepare for the 0.37.0 release

Testing Done:
Ran meson dist

Reviewed at https://reviews.imfreedom.org/r/1132/
if get_option('rs')
add_languages('rust')
subdir('tests')
endif # rs