[misc] update README files and fix a args processing bug.

Author: winshining

README.CN.md

@@ -46,10 +46,22 @@
 
 打开NGINX的源代码路径并执行：
 
+## 将模块编译进[NGINX](http://nginx.org)
+
     ./configure --add-module=/path/to/nginx-http-flv-module
     make
     make install
 
+## 将模块编译为动态模块
+
+    ./configure --add-dynamic-module=/path/to/nginx-http-flv-module
+    make
+    make install
+
+### 注意
+
+如果将模块编译为动态模块，那么[NGINX](http://nginx.org)的版本号**必须**大于或者等于1.9.11。
+
 # 使用方法
 
 关于[nginx-rtmp-module](https://github.com/arut/nginx-rtmp-module)用法的详情，请参考[README.md](https://github.com/arut/nginx-rtmp-module/blob/master/README.md)。
@@ -123,6 +135,11 @@
 
     error_log logs/error.log error;
 
+    #如果此模块被编译为动态模块并且要使用与RTMP相关的功
+    #能时，必须指定下面的配置项并且它必须位于events配置
+    #项之前，否则NGINX启动时不会加载此模块或者加载失败
+    #load_module modules/ngx_rtmp_module.so;
+
     events {
         worker_connections  1024;
     }

README.md

@@ -46,10 +46,22 @@ Uncompress them.
 
 cd to NGINX source directory & run this:
 
+## Compile the module into [NGINX](http://nginx.org)
+
     ./configure --add-module=/path/to/nginx-http-flv-module
     make
     make install
 
+## Compile the module as a dynamic module
+
+    ./configure --add-dynamic-module=/path/to/nginx-http-flv-module
+    make
+    make install
+
+### Note
+
+If the module is compiled as a dynamic module, the [NGINX](http://nginx.org) version **MUST** be equal to or greater than 1.9.11.
+
 # Usage
 
 For details about usages of [nginx-rtmp-module](https://github.com/arut/nginx-rtmp-module), please refer to [README.md](https://github.com/arut/nginx-rtmp-module/blob/master/README.md).
@@ -114,7 +126,7 @@ So the url of play using HTTP is:
 
 # Note
 
-Since some players don't support HTTP chunked transmission, it's better **NOT** to specify `chunked on;` in location where `flv_live on;` is specifed in this case, or play will fail.
+Since some players don't support HTTP chunked transmission, it's better **NOT** to specify `chunked on;` in location where `flv_live on;` is specified in this case, or play will fail.
 
 # Example nginx.conf
 
@@ -123,6 +135,12 @@ Since some players don't support HTTP chunked transmission, it's better **NOT**
 
     error_log logs/error.log error;
 
+    #if the module is compiled as a dynamic module and features relevant
+    #to RTMP are needed, the command below MUST be specified and MUST be
+    #located before events directive, otherwise the module won't be loaded
+    #or will be loaded unsuccessfully when NGINX is started
+    #load_module modules/ngx_rtmp_module.so;
+
     events {
         worker_connections  1024;
     }

ngx_http_flv_live_module.c

@@ -900,6 +900,14 @@ ngx_http_flv_live_preprocess(ngx_http_request_t *r,
 
     ctx = ngx_http_get_module_ctx(r, ngx_http_flv_live_module);
 
+    /** 
+     * if requested args are escaped, for example, urls in the 
+     * history list of vlc for Android (or all mobile platforms) 
+     **/
+    if (r->args.len == 0 && r->uri.len) {
+        ngx_http_split_args(r, &r->uri, &r->args);
+    }
+
     if (ngx_http_arg(r, arg_port.data, arg_port.len, &port) != NGX_OK) {
         /* no port in args */
         port.data = (u_char *) "1935";