correct various issues with glance images and configs

- update keystone endpoints/user on boot (to avoid problems caused by,
  e.g., a stale password or invalid endpoint urls)
- require GLANCE_DB_PASSWORD and GLANCE_KEYSTONE_PASSWORD in the
  environment, since we start multiple containers

Change-Id: I31214b81280ed34409f92e79003c1116d5737d2e
convert all configs to yaml

Change-Id: I7edbd3a59007d9e2f7f5ab5e4c020eeb58d03dd3
update start/stop scripts

permit starting/stopping pods and services separately.

Change-Id: Iaff2a5b4d5a33467a9d10b10e9bd5c922eeed3aa
normalize start script name for rabbitmq

Change-Id: I5e7296780a34f36e28419b49e185be689e4745ad
update existing keystone objects

when booting the keystone container with an existing database, make sure
to update credentials for admin user and replace existing keystone
endpoint in the service catalog.

Change-Id: I2c66d75210ef7ba5a96077eea15a8c564e99f662
clean yum cache after package install

Change-Id: Ib9942a12b8a14c7e04cf8ae3184cdefcdc5a4652
include mariadb and crux in base image

these are required by most of our services

Change-Id: I217b766a0c573e530da03aa81a7caf4548b0d2b3
fixed typo in keystone start script

Change-Id: I586ba7bb1d518d4ebfef257f92d315684843dd9b
add kolla-common shell library to base image

Change-Id: Ib670fe369bb8048aa69979b74a984fa4ddaae7d9
rabbitmq: exit on errors

Change-Id: I08b12e25061048e1fda8e74ce8a62d16b6ddf6db
keystone: exit on errors; cleanup

Change-Id: Ide2eac6495250c8cba91cf9b7409dcb313f6f74b
glance: cleanup; use kolla-common; exit on errors

Change-Id: Ibebbf47758a1dfc241cb04cdb12e44af77f92b55
glance images need keystone password

Change-Id: I4099ca19bd7433ff2a75ffba3a1597eff0be2ce4
keystone pod needs KEYSTONE_DB_PASSWORD

Change-Id: Idd1b50b6bdb3788eec316bf22fb954f5ecbaa4be
added simple health check scripts

Change-Id: I0a878678fb8e9427d8e99af4896cbc679d3490a4
arrange for image storage on a volume

Change-Id: I0dcbe6fd4c1d3ac9b79fc205df2013f62ff5a546
add kubernetes volumes to glance pod

Change-Id: Ifade1cb2ba546e5e0207c3d8c84965dc2195716b
log to stdout

Change-Id: I18470c13142ceaf2f10c32e10f5e835ddaf58550