Merge remote-tracking branch 'origin/develop' into MXS-329-develop-20151111

# Conflicts:
#	server/core/CMakeLists.txt
#	server/core/buffer.c
#	server/core/service.c
#	server/modules/filter/tee.c
#	server/modules/monitor/mysql_mon.c
#	server/modules/routing/binlog/blr.c
#	server/modules/routing/binlog/blr_slave.c
#	server/modules/routing/debugcmd.c
#	server/modules/routing/readwritesplit/readwritesplit.c
#	utils/skygw_utils.cc

- resolved.

server/modules/protocol/mysql_backend.c

@@ -57,11 +57,6 @@ MODULE_INFO info = {
 	"The MySQL to backend server protocol"
 };
 
-/** Defined in log_manager.cc */
-extern int            lm_enabled_logfiles_bitmask;
-extern size_t         log_ses_count[];
-extern __thread log_info_t tls_log_info;
-
 static char *version_str = "V2.0.0";
 static int gw_create_backend_connection(DCB *backend, SERVER *server, SESSION *in_session);
 static int gw_read_backend_event(DCB* dcb);