[IDE] Support CLion and cmake to build and debug SRS. 4.0.141

1. Remove all except JetBrains clion by cmake
2. Add .run/srs.run.xml for debugging for CLion.
3. Auto configure SRS when load CMakeLists.txt

trunk/conf/clion.conf

@@ -0,0 +1,41 @@
+
+listen              1935;
+max_connections     1000;
+daemon              off;
+srs_log_tank        console;
+
+http_server {
+    enabled         on;
+    listen          8080;
+    dir             ./objs/nginx/html;
+}
+
+http_api {
+    enabled         on;
+    listen          1985;
+}
+stats {
+    network         0;
+}
+rtc_server {
+    enabled on;
+    # Listen at udp://8000
+    listen 8000;
+    #
+    # The $CANDIDATE means fetch from env, if not configed, use * as default.
+    #
+    # The * means retrieving server IP automatically, from all network interfaces,
+    # @see https://github.com/ossrs/srs/wiki/v4_CN_RTCWiki#config-candidate
+    candidate $CANDIDATE;
+}
+
+vhost __defaultVhost__ {
+    rtc {
+        enabled     on;
+    }
+    http_remux {
+        enabled     on;
+        mount       [vhost]/[app]/[stream].flv;
+    }
+}
+