Fix bugs: dav storage, conflict manager storage

GetDocumentList from conflict or dav with no document never calls fail or done

OfficeJS/lib/jio/jio.storage.js

@@ -448,7 +448,11 @@ var newDAVStorage = function ( spec, my ) {
                         'D\\:response, response'
                     );
                     var len = response.length;
-                    am.wait(o,'success',len-2);
+                    if (len === 1) {
+                        return am.call(o,'success');
+                    } else {
+                        am.wait(o,'success',len-2);
+                    }
                     response.each( function(i,data){
                         if(i>0) { // exclude parent folder
                             file = {};
@@ -1795,6 +1799,7 @@ var newConflictManagerStorage = function ( spec, my ) {
         };
         o.filterTheList = function (result) {
             var i;
+            success_max ++;
             for (i = 0; i < result.length; i+= 1) {
                 var splitname = result[i].name.split('.') || [];
                 if (splitname.length > 0 &&
@@ -1804,6 +1809,7 @@ var newConflictManagerStorage = function ( spec, my ) {
                     am.call(o,'loadMetadataFile',[splitname.join('.')]);
                 }
             }
+            am.call(o,'success');
         };
         o.loadMetadataFile = function (path) {
             priv.getDistantMetadata (

OfficeJS/src/jio.storage/conflictmanagerstorage.js

@@ -566,6 +566,7 @@ var newConflictManagerStorage = function ( spec, my ) {
         };
         o.filterTheList = function (result) {
             var i;
+            success_max ++;
             for (i = 0; i < result.length; i+= 1) {
                 var splitname = result[i].name.split('.') || [];
                 if (splitname.length > 0 &&
@@ -575,6 +576,7 @@ var newConflictManagerStorage = function ( spec, my ) {
                     am.call(o,'loadMetadataFile',[splitname.join('.')]);
                 }
             }
+            am.call(o,'success');
         };
         o.loadMetadataFile = function (path) {
             priv.getDistantMetadata (

OfficeJS/src/jio.storage/davstorage.js

@@ -215,7 +215,11 @@ var newDAVStorage = function ( spec, my ) {
                         'D\\:response, response'
                     );
                     var len = response.length;
-                    am.wait(o,'success',len-2);
+                    if (len === 1) {
+                        return am.call(o,'success');
+                    } else {
+                        am.wait(o,'success',len-2);
+                    }
                     response.each( function(i,data){
                         if(i>0) { // exclude parent folder
                             file = {};