Update fog version to v0.17.0 for LBA SSL support
Add SSL arguments to load balancer creation

The `ssl-cert` and `ssl-key` arguments can be used to pass filenames to
load balancer creation to add SSL support to the new balancer.
Update or remove SSL details on a load blancer

The `ssl-cert` and `ssl-key` arguments can update the details on an
existing load balancer and `remove-ssl` will clear the settings.
Show SSL metadata in LBA long output

Using `brightbox lbs show id` now includes the SSL metadata if a
certificate has been set on the load balancer.
Fix typo in SSL help text
Make SSL --remove not negatable to make sense
Merge branch '57563642_lba_ssl_options'