earlyoom.default: set -r 3600

As there have now been two complaints about the default
log output being too noisy, I'll have to accept that
other users find the memory reports less interesting
than I do :)

Increase from 60 seconds to 3600 seconds (one memory
report per hour)

#171
#177

earlyoom.default

@@ -2,7 +2,7 @@
 # /etc/init.d/earlyoom or by systemd from earlyoom.service.
 
 # Options to pass to earlyoom
-EARLYOOM_ARGS="-r 60"
+EARLYOOM_ARGS="-r 3600"
 
 # Examples: