When you delete something in /cloud stay in the right folder.

When you deleted a file in /cloud you was always jumped back to /cloud/[channel],
now you will stay in the parent folder.
Some more doxygen documentation.
Removed duplicate data from logging output and reduced logging in RedDAV in general.

include/RedDAV/RedBrowser.php

@@ -262,6 +262,14 @@ class RedBrowser extends DAV\Browser\Plugin {
 		construct_page(get_app());
 	}
 
+	/**
+	 * @brief Returns a human readable formatted string for filesizes.
+	 *
+	 * Don't we need such a functionality in other places, too?
+	 *
+	 * @param int $size filesize in bytes
+	 * @return string
+	 */
 	function userReadableSize($size) {
 		$ret = "";
 		if (is_numeric($size)) {