Lower a couple of log entries that aren't errors.
add profiler for TFTP
stop generating metadata
disable MetadataCommunity
Merge pull request #996 from LipuFei/some_fixes

Some fixes
Don't join until we fix the timeout stuff on select()
Raise the default loglevel of TunnelCommunity to ERROR.
Also Add a list of all the loggers in Tribler to logger.conf
Remove redundant TunnelCommunity prefix on log entries
Merge pull request #999 from whirm/drop_tunnelcommunity_logging_prefix

Remove redundant TunnelCommunity prefix on log entries
Merge pull request #997 from whirm/dont_join

Don't join until we fix the timeout stuff on select()
Merge pull request #998 from whirm/update_logging_conf

Raise the default loglevel of TunnelCommunity to ERROR.
Merge pull request #989 from whirm/lower_misc_loglevels

Lower a couple of log entries that aren't errors.