cache-reaper: Also monitor the "sources" cache directory.
cache-reaper: Also monitor the "sources" cache directory.

The "sources" cache directory now has the same directory structure as
the other cache directories in $XDG_CACHE_HOME/evolution, so the reaper
can clean up cached collection sources after the collection is deleted.

Distrotech/evolution-data-server,tintou/evolution-data-server,Distrotech/evolution-data-server,matzipan/evolution-data-server,matzipan/evolution-data-server,Distrotech/evolution-data-server,tintou/evolution-data-server,matzipan/evolution-data-server,tintou/evolution-data-server,Distrotech/evolution-data-server,matzipan/evolution-data-server,tintou/evolution-data-server,Distrotech/evolution-data-server,matzipan/evolution-data-server