report folders have to be listed as reports in package.xml

lib/manifest.js

@@ -40,6 +40,7 @@ module.exports.fromFetchResult = function(resultJSON) {
 
 Manifest.prototype.toPackageXml = function(destructive) {
 	var self = this;
+	self.transformFolders();
 	if (destructive) {
 		self.apiVersion = null;
 	}
@@ -114,6 +115,18 @@ Manifest.prototype.unique = function() {
 	return self;
 }
 
+Manifest.prototype.transformFolders = function() {
+	var self = this;
+	self.manifestJSON = self.manifestJSON.map(function(item) {
+		if (Object.keys(folderBasedMetadataMap).indexOf(item.type) > -1) {
+			// DocumentFolder has to be listed as Document
+			item.type = folderBasedMetadataMap[item.type];
+		}
+		return item;
+	});
+	return self;
+}
+
 // TODO: in order to factory reset, the following metadata has to be disabled manually:
 // * ApprovalProcess
 // * WorkflowRule?