added an option to not count inactive torrents against the limits for auto managed torrents

include/libtorrent/session_settings.hpp

@@ -126,6 +126,7 @@ namespace libtorrent
 			, peer_tos(0)
 			, active_downloads(8)
 			, active_seeds(5)
+			, dont_count_inactive_torrents(true)
 			, auto_manage_interval(30)
 			, share_ratio_limit(2.f)
 			, seed_time_ratio_limit(7.f)
@@ -363,6 +364,11 @@ namespace libtorrent
 		int active_downloads;
 		int active_seeds;
 
+		// if this is true, torrents that don't have any significant
+		// transfers are not counted as active when determining which
+		// auto managed torrents to pause and resume
+		bool dont_count_inactive_torrents;
+
 		// the number of seconds in between recalculating which
 		// torrents to activate and which ones to queue
 		int auto_manage_interval;