Merge commit '982eb2badd8facda99328df5cc32ba69b4bc21cc' into kerbin-py

Conflicts:
	src/python/jeni/jeni.py
	src/python/jeni/test_jeni.py
Merge jeni 0.3.1.
Merge jeni 0.3.2.
Pull jeni changes.
Apply maybe annotation to notes not provided.

This way, a maybe annotation will be useful whether the injector does not have
a provider for the note or if the provider raises an UnsetError for that note.