Don't limit SSH keys generation to 1024 bits

Use the default bit length of the underlying ssh-keygen command
(currently 2048) if no bit length is supplied, rather than defaulting to
1024 bits.

bug 1103130

Change-Id: Iba9d378d5bf9e28663e52180ed04c31c16d08aad
Signed-off-by: Zane Bitter <zbitter@redhat.com>
Adds conductor support for instance_get_active_by_window_joined

This patch fixes Bug 1102469.

Related to bp/no-db-compute-manager

Change-Id: Ib9e7a4c380eb5d1a0c7059ad6a90d0aec1638fbd
Merge "Don't limit SSH keys generation to 1024 bits"
Merge "Adds conductor support for instance_get_active_by_window_joined"