this commit replaces the Vaulted built-in proxy keyring code
with the ssh-proxy-agent library. this replacement currently
maintains parity with Vaulted features and does not take advantage
of any of the additional configurations from the new library.
this commit replaces the Vaulted built-in proxy keyring code with the
ssh-proxy-agent
library. this replacement currently maintains parity with Vaulted features and does not take advantage of any of the additional configurations from the new library.