Avoid running ssh agent and attaching keys every time on Raspberry Pi

.profile

#Helper script from GitHub 
# source: https://github.com/wwalker/ssh-find-agent
# (blog: http://blog.joncairns.com/2013/12/understanding-ssh-agent-and-ssh-add/) 
#- Used in the 'Actions' section
. ~/scripts/ssh-find-agent.sh


## Setup outbound SSH. Run ssh agent and add keys
# This is only needed if agent is not running (e.g. after a reboot)
sshout () {
  eval $(ssh-agent);
  ssh-add ~/.ssh/pi2_cloud;
  ssh-add ~/.ssh/pi2_local;
}


# Find the currently running ssh agent and attach it!
ssh_find_agent -a