update PRIMARY, AUTHORS, CONTRIBUTORS rule

+There are three types of people that have contributed to the SRS project:
+1. PRIMARY: Contribute important features and >10% code. Names of all PRIMARY response in NetConnection.connect and metadata.
+2. AUTHORS: Contribute features and 1%~10% code. Names of all PRIMARY response in NetConnection.connect and metadata.
+3. CONTRIBUTORS: Submit patches, report bugs, add translations, help answer newbie questions, and generally make SRS that much better.
+
 PRIMARY ordered by first contribution.
 * winlin<winlin@vip.126.com> "Plan, arch, implement SRS1.0 and SRS2.0"
 

@@ -1167,7 +1167,8 @@ void SrsConfig::print_help(char** argv)
     printf(
         RTMP_SIG_SRS_NAME" "RTMP_SIG_SRS_VERSION" "RTMP_SIG_SRS_COPYRIGHT"\n" 
         "license: "RTMP_SIG_SRS_LICENSE"\n"
-        "Primary Authors: "RTMP_SIG_SRS_PRIMARY_AUTHROS"\n"
+        "Primary: "RTMP_SIG_SRS_PRIMARY"\n"
+        "Authors: "RTMP_SIG_SRS_AUTHROS"\n"
         "Build: "SRS_AUTO_BUILD_DATE" Configuration:"SRS_AUTO_USER_CONFIGURE"\n"
         "Features:"SRS_AUTO_CONFIGURE"\n""\n"
         "Usage: %s [-h?vV] [[-t] -c <filename>]\n" 

@@ -230,7 +230,8 @@ int SrsEdgeIngester::connect_app(string ep_server, string ep_port)
     data->set("srs_site", SrsAmf0Any::str(RTMP_SIG_SRS_WEB));
     data->set("srs_email", SrsAmf0Any::str(RTMP_SIG_SRS_EMAIL));
     data->set("srs_copyright", SrsAmf0Any::str(RTMP_SIG_SRS_COPYRIGHT));
-    data->set("srs_primary_authors", SrsAmf0Any::str(RTMP_SIG_SRS_PRIMARY_AUTHROS));
+    data->set("srs_primary", SrsAmf0Any::str(RTMP_SIG_SRS_PRIMARY));
+    data->set("srs_authors", SrsAmf0Any::str(RTMP_SIG_SRS_AUTHROS));
     // for edge to directly get the id of client.
     data->set("srs_pid", SrsAmf0Any::number(getpid()));
     data->set("srs_id", SrsAmf0Any::number(_srs_context->get_id()));
@@ -661,7 +662,8 @@ int SrsEdgeForwarder::connect_app(string ep_server, string ep_port)
     data->set("srs_site", SrsAmf0Any::str(RTMP_SIG_SRS_WEB));
     data->set("srs_email", SrsAmf0Any::str(RTMP_SIG_SRS_EMAIL));
     data->set("srs_copyright", SrsAmf0Any::str(RTMP_SIG_SRS_COPYRIGHT));
-    data->set("srs_primary_authors", SrsAmf0Any::str(RTMP_SIG_SRS_PRIMARY_AUTHROS));
+    data->set("srs_primary", SrsAmf0Any::str(RTMP_SIG_SRS_PRIMARY));
+    data->set("srs_authors", SrsAmf0Any::str(RTMP_SIG_SRS_AUTHROS));
     // for edge to directly get the id of client.
     data->set("srs_pid", SrsAmf0Any::number(getpid()));
     data->set("srs_id", SrsAmf0Any::number(_srs_context->get_id()));

@@ -344,7 +344,8 @@ int SrsForwarder::connect_app(string ep_server, string ep_port)
     data->set("srs_site", SrsAmf0Any::str(RTMP_SIG_SRS_WEB));
     data->set("srs_email", SrsAmf0Any::str(RTMP_SIG_SRS_EMAIL));
     data->set("srs_copyright", SrsAmf0Any::str(RTMP_SIG_SRS_COPYRIGHT));
-    data->set("srs_primary_authors", SrsAmf0Any::str(RTMP_SIG_SRS_PRIMARY_AUTHROS));
+    data->set("srs_primary", SrsAmf0Any::str(RTMP_SIG_SRS_PRIMARY));
+    data->set("srs_authors", SrsAmf0Any::str(RTMP_SIG_SRS_AUTHROS));
     // for edge to directly get the id of client.
     data->set("srs_pid", SrsAmf0Any::number(getpid()));
     data->set("srs_id", SrsAmf0Any::number(_srs_context->get_id()));

@@ -490,7 +490,8 @@ int SrsApiAuthors::do_process_request(SrsStSocket* skt, SrsHttpMessage* req)
     ss << __SRS_JOBJECT_START
         << __SRS_JFIELD_ERROR(ERROR_SUCCESS) << __SRS_JFIELD_CONT
         << __SRS_JFIELD_ORG("data", __SRS_JOBJECT_START)
-            << __SRS_JFIELD_STR("primary_authors", RTMP_SIG_SRS_PRIMARY_AUTHROS) << __SRS_JFIELD_CONT
+            << __SRS_JFIELD_STR("primary", RTMP_SIG_SRS_PRIMARY) << __SRS_JFIELD_CONT
+            << __SRS_JFIELD_STR("authors", RTMP_SIG_SRS_AUTHROS) << __SRS_JFIELD_CONT
             << __SRS_JFIELD_STR("contributors_link", RTMP_SIG_SRS_CONTRIBUTORS_URL) << __SRS_JFIELD_CONT
             << __SRS_JFIELD_STR("contributors", SRS_AUTO_CONSTRIBUTORS)
         << __SRS_JOBJECT_END

@@ -957,7 +957,8 @@ int SrsSource::on_meta_data(SrsMessage* msg, SrsOnMetaDataPacket* metadata)
     
     // add server info to metadata
     metadata->metadata->set("server", SrsAmf0Any::str(RTMP_SIG_SRS_KEY" "RTMP_SIG_SRS_VERSION" ("RTMP_SIG_SRS_URL_SHORT")"));
-    metadata->metadata->set("authors", SrsAmf0Any::str(RTMP_SIG_SRS_PRIMARY_AUTHROS));
+    metadata->metadata->set("primary", SrsAmf0Any::str(RTMP_SIG_SRS_PRIMARY));
+    metadata->metadata->set("authors", SrsAmf0Any::str(RTMP_SIG_SRS_AUTHROS));
     
     // version, for example, 1.0.0
     // add version to metadata, please donot remove it, for debug.

@@ -42,7 +42,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define RTMP_SIG_SRS_EMAIL "winlin@vip.126.com"
 #define RTMP_SIG_SRS_LICENSE "The MIT License (MIT)"
 #define RTMP_SIG_SRS_COPYRIGHT "Copyright (c) 2013-2014 winlin"
-#define RTMP_SIG_SRS_PRIMARY_AUTHROS "winlin,wenjie.zhao"
+#define RTMP_SIG_SRS_PRIMARY "winlin"
+#define RTMP_SIG_SRS_AUTHROS "wenjie.zhao"
 #define RTMP_SIG_SRS_CONTRIBUTORS_URL RTMP_SIG_SRS_URL"/blob/master/AUTHORS.txt"
 #define RTMP_SIG_SRS_HANDSHAKE RTMP_SIG_SRS_KEY"("RTMP_SIG_SRS_VERSION")"
 #define RTMP_SIG_SRS_RELEASE "https://github.com/winlinvip/simple-rtmp-server/tree/1.0release"

@@ -182,7 +182,8 @@ int main(int argc, char** argv)
     
     srs_trace("srs(simple-rtmp-server) "RTMP_SIG_SRS_VERSION);
     srs_trace("license: "RTMP_SIG_SRS_LICENSE);
-    srs_trace("authors: "RTMP_SIG_SRS_PRIMARY_AUTHROS);
+    srs_trace("primary: "RTMP_SIG_SRS_PRIMARY);
+    srs_trace("authors: "RTMP_SIG_SRS_AUTHROS);
     srs_trace("contributors: "SRS_AUTO_CONSTRIBUTORS);
     srs_trace("uname: "SRS_AUTO_UNAME);
     srs_trace("build: %s, %s", SRS_AUTO_BUILD_DATE, srs_is_little_endian()? "little-endian":"big-endian");

@@ -908,7 +908,8 @@ int SrsRtmpServer::response_connect_app(SrsRequest *req, const char* server_ip)
     data->set("srs_site", SrsAmf0Any::str(RTMP_SIG_SRS_WEB));
     data->set("srs_email", SrsAmf0Any::str(RTMP_SIG_SRS_EMAIL));
     data->set("srs_copyright", SrsAmf0Any::str(RTMP_SIG_SRS_COPYRIGHT));
-    data->set("srs_primary_authors", SrsAmf0Any::str(RTMP_SIG_SRS_PRIMARY_AUTHROS));
+    data->set("srs_primary", SrsAmf0Any::str(RTMP_SIG_SRS_PRIMARY));
+    data->set("srs_authors", SrsAmf0Any::str(RTMP_SIG_SRS_AUTHROS));
     
     if (server_ip) {
         data->set("srs_server_ip", SrsAmf0Any::str(server_ip));