Version 1.0.27 released.

• When using Proxy, let the proxy resolve hostnames if tinc can’t.
• Fixes and improvements of the DecrementTTL option.
• Fixed the $NAME variable in subnet-up/down scripts for the local Subnets.
• Fixed potentially wrong checksum generation when clamping the MSS.
• Properly choose between the system’s or our own copy of getopt.
• Fixed compiling tinc for Cygwin with MinGW installed.
• Added support for OS X utun interfaces.
• Documentation updates and minor fixes.

Thanks to Vittorio Gambaletta, LunarShaddow, Florian Weik and Nathan Stratton Treadway for their contributions to this version of tinc.