Return a changes dictionary for git.latest in test=true mode
Fix broken pillar and broken grains context inside rendered pillars.

Closes #11453
Remove parens
Add options to manage.present runner to output IP addresses

When minions have multiple IPs it is useful to see which IP they are
connected to the master with.
Add subset as an option to the manage.present runner
cloud.lxc: use filemarkers to speed up things
Remove apparent debugging lines
Ignore retcode for yum refresh_db

'yum -q check_update' returns a retcode of 100 if there are updates to
install, so ignore the retcode and don't log an error if a nonzero
retcode is seen here.
Merge pull request #11642 from makinacorpus/lxc

cloud.lxc: use filemarkers to speed up things
Merge pull request #11644 from terminalmage/debugging-cleanup

Remove apparent debugging lines
Merge pull request #11645 from terminalmage/yum-refresh-ignore-retcode

Ignore retcode for yum refresh_db
Merge pull request #11608 from whiteinge/present-ips

Add a couple options to the manage.present runner function
Merge pull request #11603 from cachedout/11453

Fix broken pillar and broken grains context inside rendered pillars.
Merge pull request #11596 from whiteinge/git-latest-test-changes

Return a changes dictionary for git.latest in test=true mode
Updated pkg.py to note that purged also removes all configuration files.
Merge pull request #11647 from gravyboat/develop

Updated pkg.py to note that purged also removes all configuration files.
sometimes /proc/1/cgroup is not readable

Prevent the code from throwing fatal exceptions when /proc/1/cgroup
exists but is not readable (which can happen in VPS systems).
Merge pull request #11629 from herzi/develop

sometimes /proc/1/cgroup is not readable
Fix suggestions logic

This code was previously repeating the same action (setting the
suggestions key for the given package to list(provides) once for every
element in the set. While this did not produce a functionally incorrect
result, it is unnecessary and poorly-constructed as-is. This commit
simplifies the logic, and only performs that action once.
Remove unused variables