Nitpicks in logging messages.
Moved Andrew Stribblehill from a comment to Authors. Also changed a couple of comments and messages.
Renamed variable to more suitable. Updated some comments.
cf-serverd now reads policy only once when starting

To achieve this a new timestamp field was added in GenericAgentConfig
struct. This is updated by both the startup initialisation (called from
main()) and from the policy check in daemon's main loop.
cf-execd now parses policy only once when starting

Also consolidated some ifdef's to only one.
Log better message, add a TODO comment.
Cleanups and TODOs.
Fix transformer with echo

Do not pass the echo command as a string operand to the shell. Instead,
use $(G.echo) directly, which will work cross-platform.
Fix transformer with echo

On windows, do not pass the echo command as a string operand to the
shell. Instead, use $(G.echo) directly.
Use filestat() instead of perl stat
Make sure last_validated_as is changed only in daemons.
Suppress failure when using filestat, due to #4791.
revert it back, adding new lines and a bundle to call update.cf
Fix transformer with echo; use filestat() instead of perl
Replace perl stat with filestat()
Replace perl with filestat()
Replace perl with filestat()
Replace perl with filestat()
Remove unused perl cruft
Simplify ExpandScalar, Close #4704

See test_expand_scalar_nested_inner_undefined for details