deploy: Performance tune for postgresql
Turn off fsync, synchronous_commit and full_pages_writer to speed uppostgresql. DB is not no longer crash-safe, but this is no needed fortests.
Also, introduce 'testing_vm' setting to distinquish between the type of...
Add --no-keys-inject option
This skips key injection in nodes
Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr>
Add snf-deploy tree