* Z is the zone designator for the zero UTC offset.
* T is the delimiter used to separate date and time.
This makes it clear for the end-user that the date/time logged is
specified in UTC and not in the local time zone.
This commit adds a tool for combining log files from multiple instances
of bitcoinds as well as the test_framework.log file. This gives a
combined view of what the test framework and all bitcoin instances were
doing during a qa test.
