Merge pull request #970 in SNORT/snort3 from port_reload_performance_fixes to master

Merge pull request #970 in SNORT/snort3 from port_reload_performance_fixes to master

Squashed commit of the following:

commit def9b84906c82d9ebb5f8a85f4227e51520327f3
Author: Victor Roemer <viroemer@cisco.com>
Date:   Thu Aug 3 13:37:54 2017 -0400

    dce_rpc: remove connection-oriented rules from dce_smb module

commit 324a91db775c65c34a5b0cf435768d199368c20c
Author: Victor Roemer <viroemer@cisco.com>
Date:   Thu Aug 3 12:44:41 2017 -0400

    snort: keep tracking rtn after merging duplicate otns

commit b79a20e1a45d052177ff78dff1fd4778dd956b41
Author: Victor Roemer <viroemer@cisco.com>
Date:   Wed Aug 2 14:20:50 2017 -0400

    dce_rpc: Fix --enable-debug-msgs without --enable-debug

commit e901cb79cb608603e109d199cc804e8eab285e83
Author: Victor Roemer <viroemer@cisco.com>
Date:   Wed Aug 2 14:20:21 2017 -0400

    snort: Fix --enable-debug-msgs

commit 733037605b804fd1a1585ff170e5da36dc39400f
Author: Victor Roemer <viroemer@cisco.com>
Date:   Wed Jul 26 08:43:41 2017 -0400

    snort: optimize mSplit performance

commit f48509d9ce999a91fa1ade6009235ed32353338c
Author: Victor Roemer <viroemer@cisco.com>
Date:   Tue Jul 25 10:26:09 2017 -0400

    snort: Parse time RuleTreeNode hash table

commit 85c3cd141b1578200c89ee451382508e9d83732a
Author: Victor Roemer <viroemer@cisco.com>
Date:   Mon Jul 24 13:40:38 2017 -0400

    snort: Stop iterating over ports earlier