Pep8 fixes to bin/glance* scripts.

Change-Id: I92a4f39cfbf961e1cc507748178d67813dc06399
Make tox.ini run pep8 checks on bin.

This updates the pep8 checks in our tox.ini file so that we are
also scanning the bin directory.

Change-Id: I2c0520c1239fcbda6b5b70f2d20709b96b94a4c5
Make run_tests.sh run pep8 checks on bin.

This updates the pep8 checks in our run_tests.sh script
so that we are scanning the bin directory.

Change-Id: I0ad51b7747edbcb0dbcfb72f92a43dd8f2efc768
Prevent infinite respawn of child processes

Rather than looking for an exit code of 2 to prevent child processes
from respawning, we look for any non-zero status.

Fixes bug 1074132.
Fixes bug 1065197.

Change-Id: I74ac13737d8a9b8710a8268eb1d67fbe5e75d491
Lowering certain log lines from error to info

Several log statements were logging as ERROR that do not necessarily
represent an ERROR having occurred. The offending statements have
been lowered to INFO.

Change-Id: I511ef7230c610b59d6e9121a557bbc266fbf658c
Update uuidutils from openstack common

Change-Id: I9f4928ca818859bf2f25543b2fb3819ab5211482
Merge "Prevent infinite respawn of child processes"
Merge "Update uuidutils from openstack common"
Merge "Lowering certain log lines from error to info"
Fixes is_image_visible to not use deleted key

The 'is_image_visible' method is looking for deleted members while
they are already being filtered in the query. Registry while validating
all the members gets a KeyError as the key deleted does not exist.

Fixes Bug: 1077106

Change-Id: Ia53b6be3b2f740357df86e6c7a6a257a990c3aab