Four node config and clean config

Deletes the Stores directory of the config, so that changes can take
effect
Adds a new four node config for test purposes.
Merge branch 'new_config' into new_log_selector_thread
Commit state of PTS Search issue

1) Write directly instead of using NIO.
2) Try removing the checkin from timeout to see if the problem
is fixed on the SCS. The problem does not repro anymore after this fix.