talkatu/talkatu

Move to using gi-docgen from a release rather than git

14 months ago, Gary Kramlich
e8a6fb25731f
Move to using gi-docgen from a release rather than git

Testing Done:
Pruned the subprojects and did a build.

Reviewed at https://reviews.imfreedom.org/r/2272/
Elliott Sales de Andrade <quantum.analyst@gmail.com>
Gary Kramlich <grim@reaperworld.com>
ivanhoe <ivanhoe@fiscari.de>
Jefferson Carpenter (negatratoron)
Mike Ruprecht <cmaiku@gmail.com>
Sorvival <sorvival@tutanota.com>