certs: remove

Signed-off-by: Emilio G. Cota <cota@braap.org>
gitignore: add ecryptfs-related ignores

Signed-off-by: Emilio G. Cota <cota@braap.org>
Merge branch 'master' into flamenco

Signed-off-by: Emilio G. Cota <cota@braap.org>