for bug #277, refine the http server.

@@ -564,7 +564,9 @@ int SrsGoHttpServeMux::serve_http(ISrsGoHttpResponseWriter* w, SrsHttpMessage* r
     
     srs_assert(h);
     if ((ret = h->serve_http(w, r)) != ERROR_SUCCESS) {
+        if (!srs_is_client_gracefully_close(ret)) {
             srs_error("handler serve http failed. ret=%d", ret);
+        }
         return ret;
     }
     

@@ -48,7 +48,6 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #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 RTMP_SIG_SRS_URL"/tree/1.0release"
-#define RTMP_SIG_SRS_HTTP_SERVER RTMP_SIG_SRS_URL"/wiki/v1_CN_HTTPServer#feature"
 #define RTMP_SIG_SRS_ISSUES(id) RTMP_SIG_SRS_URL"/issues/"#id
 #define RTMP_SIG_SRS_VERSION __SRS_XSTR(VERSION_MAJOR)"."__SRS_XSTR(VERSION_MINOR)"."__SRS_XSTR(VERSION_REVISION)
 

@@ -154,10 +154,6 @@ void show_macro_features()
 void check_macro_features()
 {
     // for special features.
-#ifdef SRS_AUTO_HTTP_SERVER
-    srs_warn("http server is dev feature, @see %s", RTMP_SIG_SRS_HTTP_SERVER);
-#endif
-
 #ifndef SRS_PERF_MERGED_READ
     srs_warn("MR(merged-read) is disabled, hurts read performance. @see %s", RTMP_SIG_SRS_ISSUES(241));
 #endif