Merge branch 'dont-request-without-any-images' into develop

Conflicts:
	dist/js/bootstrap-markdown-editor.js

Author: inacho

dist/js/bootstrap-markdown-editor.js

@@ -76,9 +76,7 @@
                 container.find('.md-input-upload').on('change', function() {
                     var files = $(this).get(0).files;
 
-                    if (files.length) {
-                        uploadFiles(defaults.uploadPath, $(this).get(0).files, editor, snippetManager, mdLoading);
-                    }
+                    uploadFiles(defaults.uploadPath, $(this).get(0).files, editor, snippetManager, mdLoading);
                 });
 
                 container.on('dragenter', function (e) {
@@ -234,6 +232,9 @@
     };
 
     function uploadFiles (url, files, editor, snippetManager, loading) {
+        if (! files.length) {
+            return;
+        }
 
         loading.show();