rename author to contributor

@@ -7,7 +7,7 @@ blog: [http://blog.csdn.net/win_lin](http://blog.csdn.net/win_lin) <br/>
 see also: [https://github.com/winlinvip/simple-rtmp-server](https://github.com/winlinvip/simple-rtmp-server) <br/>
 see also: [http://winlinvip.github.io/simple-rtmp-server](http://winlinvip.github.io/simple-rtmp-server)
 
-### Authors
+### Contributors
 winlin(winterserver): [http://blog.csdn.net/win_lin](http://blog.csdn.net/win_lin)
 
 ### Usage

@@ -77,7 +77,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define RTMP_SIG_SRS_EMAIL "winterserver@126.com"
 #define RTMP_SIG_SRS_LICENSE "The MIT License (MIT)"
 #define RTMP_SIG_SRS_COPYRIGHT "Copyright (c) 2013 winlin"
-#define RTMP_SIG_SRS_AUTHORS "winlin"
+#define RTMP_SIG_SRS_CONTRIBUTOR "winlin"
 
 // compare
 #define srs_min(a, b) (((a) < (b))? (a) : (b))

@@ -779,7 +779,7 @@ void SrsConfig::print_help(char** argv)
 {
 	printf(RTMP_SIG_SRS_NAME" "RTMP_SIG_SRS_VERSION
 		" Copyright (c) 2013 winlin\n"
-		"Authors: "RTMP_SIG_SRS_AUTHORS"\n"
+		"Contributors: "RTMP_SIG_SRS_CONTRIBUTOR"\n"
 		"Configuration: "SRS_CONFIGURE"\n"
 		"Usage: %s [-h?vV] [-c <filename>]\n" 
 		"\n"