Change-Id: I6a2672362da5ae69e8417e334a170c3c68c1307c
Closes-Bug: #1569971

kolla_toolbox contantly fails to build due to a missing module pytz,
add it before the dependent module installation.

Change-Id: Ia497f4eef830259e8e27307d6b3100dc7660b99f
Closes-Bug: #1569633

When image id is the same, the container won't re-create with the
latest image tag.

Change-Id: I402ad275c388006248cb559851b01b0b963cf170
Closes-Bug: #1569723

Change-Id: I155707ec6c1973d2a36606a0c73e57bda58ed037
Closes-Bug: #1569696

Change-Id: I19298f750e3bbf6fee12129d424b2c2b8810464c
Partial-Bug:#1569417

Change-Id: Ide6c0f96338acfabda96e200c39be3ac899cd591
Partial-Bug:#1569417

Change-Id: I73a97fa7b7f4a38aea778d9e7e482f35e22c62a8
Partial-Bug:#1569417

check "/etc/systemd/system/docker.service" instead of
"/lib/systemd/system/docker.service" in ubuntu.

In Ubuntu,
the settings in "/etc/systemd/system/docker.service"
will overwrite the settings in "/lib/systemd/system/docker.service"

Change-Id: Idd5b99643b4fb9a4800f5d450e9aaeb22210aa8b
Closes-Bug: #1569644

The disable HAProxy option is not commonly used and not
recommended.  This patch moves the section that describes it
out of the Quick Start Guide and into the Advanced Configuration
Guide.

Change-Id: Iccd8a6369d772bd85f304cba0a99300180a369c8
Closes-Bug: #1569560

Change-Id: I13244ac51ad24e04bbaed7eecef1b1255d0ce008
Partial-Bug:#1569417

Change-Id: Ia3fef63d4aae1a342f376cd9653a2fe4a820aa7e
Partial-Bug:#1569417

Change-Id: Ib61f757e20aaec5941fd989ed5a4cd44f1424a80
Partial-Bug:#1569417