Version 0.2.1 - no incompatible protocol changes, a few bug fixes and the new status file feature

version.h

@@ -41,6 +41,6 @@
 /**
  * Revision: 16-bit (0-65535)
  */
-#define ZEROTIER_ONE_VERSION_REVISION 0
+#define ZEROTIER_ONE_VERSION_REVISION 1
 
 #endif