stats: remove misc.h inclusion
foo: bar
foo: bar2
stats: extract StatsCounterItem into a separate module
stats: extract StatsCluster into a separate file
stats: extract stats registry into a separate module
stats: merge with StatsCluster extraction
stats: change stats_log_format_cluster() to use the stats_cluster_foreach_counter() API
stats: merge with stats-cluster
stats: merge with stats-registry
foo: bar
stats: extract Log statistics message to a separate module