Adding ability to set timeout for vrrp scripts

  Currently, there is no way to set timeout, at
  one of the customer envs, we have faced an issue,
  where haproxy check script, was hanging  indefinitely,
  due to memory issues. Timeout option, greatly helped
  and mitigated this problem for us.

Change-Id: I0aebd16086545e6b770fe297a8bca227974b0065
3 files changed