Nginx config documentation improvement for static media content

documentation/installation_guide.html

@@ -741,7 +741,7 @@ If you have issues with files taking a long time to download, make sure you reco
   }
 
   # Serve static files directly
-  location ~* \.(png|jpe?g|gif|ico|js)$ {
+  location ~* \.(png|jpe?g|gif|ico|js|css|mp3|swf|flv|mp4|ogg)$ {
     expires 1y;
     access_log off;
     rewrite ^/courses/([^/]+)/course-pic85x85.png$ /app/courses/$1/course-pic85x85.png last;
@@ -750,6 +750,8 @@ If you have issues with files taking a long time to download, make sure you reco
     rewrite ^/courses/([^/]+)/document/(.*)$ /main/document/download.php?doc_url=/$2&cDir=$1 last;
     rewrite ^/courses/([^/]+)/work/(.*)$ /main/work/download.php?file=work/$2&cDir=$1 last;
     rewrite ^/courses/([^/]+)/upload/(.*)$ /app/courses/$1/upload/$2 last;
+    # For all these media resources not treated by previous rewrites, give direct access (no permission check)
+    rewrite ^/courses/(.*)$ /app/courses/$1 break;
     try_files $uri @rewrite;
   }
   location ~ ~\.(ht|git){

documentation/installation_guide_es_ES.html

@@ -723,7 +723,7 @@ por ejemplo. El efecto debería ser inmediato.
   }
 
   # Serve static files directly
-  location ~* \.(png|jpe?g|gif|ico)$ {
+  location ~* \.(png|jpe?g|gif|ico|js|css|mp3|swf|flv|mp4|ogg)$ {
     expires 1y;
     access_log off;
     rewrite ^/courses/([^/]+)/course-pic85x85.png$ /app/courses/$1/course-pic85x85.png last;
@@ -732,6 +732,8 @@ por ejemplo. El efecto debería ser inmediato.
     rewrite ^/courses/([^/]+)/document/(.*)$ /main/document/download.php?doc_url=/$2&cDir=$1 last;
     rewrite ^/courses/([^/]+)/work/(.*)$ /main/work/download.php?file=work/$2&cDir=$1 last;
     rewrite ^/courses/([^/]+)/upload/(.*)$ /app/courses/$1/upload/$2 last;
+    # For all these media resources not treated by previous rewrites, give direct access (no permission check)
+    rewrite ^/courses/(.*)$ /app/courses/$1 break;
     try_files $uri @rewrite;
   }
   location ~ ~\.(ht|git){

documentation/installation_guide_fr_FR.html

@@ -792,7 +792,7 @@ Ce sont uniquement les redirections à placer dans un bloc server{}, comme les a
   }
 
   # Serve static files directly
-  location ~* \.(png|jpe?g|gif|ico)$ {
+  location ~* \.(png|jpe?g|gif|ico|js|css|mp3|swf|flv|mp4|ogg)$ {
     expires 1y;
     access_log off;
     rewrite ^/courses/([^/]+)/course-pic85x85.png$ /app/courses/$1/course-pic85x85.png last;
@@ -801,6 +801,8 @@ Ce sont uniquement les redirections à placer dans un bloc server{}, comme les a
     rewrite ^/courses/([^/]+)/document/(.*)$ /main/document/download.php?doc_url=/$2&cDir=$1 last;
     rewrite ^/courses/([^/]+)/work/(.*)$ /main/work/download.php?file=work/$2&cDir=$1 last;
     rewrite ^/courses/([^/]+)/upload/(.*)$ /app/courses/$1/upload/$2 last;
+    # For all these media resources not treated by previous rewrites, give direct access (no permission check)
+    rewrite ^/courses/(.*)$ /app/courses/$1 break;
     try_files $uri @rewrite;
   }
   location ~ ~\.(ht|git){