updated core to 1.2.4, fixed pico_device init bug

zto/osdep/OSUtils.hpp

@@ -1,6 +1,6 @@
 /*
  * ZeroTier One - Network Virtualization Everywhere
- * Copyright (C) 2011-2016  ZeroTier, Inc.  https://www.zerotier.com/
+ * Copyright (C) 2011-2017  ZeroTier, Inc.  https://www.zerotier.com/
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -14,6 +14,14 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * --
+ *
+ * You can be released from the requirements of the license by purchasing
+ * a commercial license. Buying such a license is mandatory as soon as you
+ * develop commercial closed-source software that incorporates or links
+ * directly against ZeroTier software without disclosing the source code
+ * of your own application.
  */
 
 #ifndef ZT_OSUTILS_HPP
@@ -104,12 +112,11 @@ public:
 	/**
 	 * List a directory's contents
 	 *
-	 * This returns only files, not sub-directories.
-	 *
 	 * @param path Path to list
+	 * @param includeDirectories If true, include directories as well as files
 	 * @return Names of files in directory (without path prepended)
 	 */
-	static std::vector<std::string> listDirectory(const char *path);
+	static std::vector<std::string> listDirectory(const char *path,bool includeDirectories = false);
 
 	/**
 	 * Clean a directory of files whose last modified time is older than this