gplugin/gplugin

Prepare for the 0.34.1 release
v0.34.1
2021-09-25, Gary Kramlich
d01d2ae04291
Prepare for the 0.34.1 release

Testing Done:
Ran `ninja dist`

Reviewed at https://reviews.imfreedom.org/r/944/
if get_option('rs')
add_languages('rust')
subdir('tests')
endif # rs