fix comments typo
Replace call to System.out.println by the use of logger.
Also log exception instead of printStackTrace().
Also handle a little better exceptions.
a little cleanup also.
Merge branch 'master' of https://github.com/jitsi/jitsi-hammer
gitignore update.
More modifications with the logging
Sort alphabetically the stats watched.
(to know what new stats were added to MediaStreamStats).
Also fix a error in FakeUserStats stream template.
add latest MediaStreamStats stats to FakeUserStats and HammerStats.