gabbi: add "" around some strings
gabbi: add "" around some strings

This is just because the YAML Emacs parser sucks and is confused about
those strings with a ' in them.

Change-Id: If41f730ca01feccaa9ed441cd027a5883bd4bb94

sileht/gnocchi,idegtiarov/gnocchi-rep,gnocchixyz/gnocchi,leandroreox/gnocchi,sileht/gnocchi,idegtiarov/gnocchi-rep,gnocchixyz/gnocchi,leandroreox/gnocchi,idegtiarov/gnocchi-rep