automatically defined and added to the logger context.  This value
comes in handy in a variety of situations.

triggers outgoing email when an event includes a matching Marker.

longer latency

- Increase latency from 850ms to 950ms (this makes the tests pass
quite consistently on Linux)

instead of logback-examples

- fixed http://jira.qos.ch/browse/LBSITE-35

reduce the size of the distribution which as a consequence went from
20 MB to 3MB.

slf4j/integrator module

working with development done on Linux where the line endings is LF.
This is still somewhat experimental.

hence the reapperance of LBCORE-26. Some tests still fail. Ongoing
work.

thread at least once before the next rollover occurs

This is OK, since in production, the rollver period is much much
longer than the time it takes to do compression. In our tests however,
this reation does not hold.