SERVER-10316 Account for milliseconds component of date in RamLog::repeats.
SERVER-10314 Make logger format RamLog lines like console log lines.
SERVER-7965 Introduce time formatting functions for ISO 8601 and Ctime; eliminate curTimeString().
SERVER-7965 Construct MessageEventEphemeral with a time stamp; use that when printing log messages.
SERVER-7965 Move date/time types and functions from bson/util/misc.h to util/time_support.{h,cpp}.
Increase verbosity for SERVER-10206
SERVER-9518 Remove implicit privilege acquisition member from Principal class
SERVER-9518 Separate cases that want to automatically acquire privileges when adding an authenticated principal from those that do not.