Update changes

Also testing commit signing again, different email this time.

dist/CHANGES.txt

 CHANGES
 
 <master>
+- Built with Go 1.6.1
 - New pprof directive for exposing process performance profile
-- New expvar directive for reading memory/GC performance
+- New expvar directive for exposing memory/GC performance
 - New -restart option to force in-process restarts on Unix systems
+- Only fail to start if managed certificate is expired (issue #642)
 - Toggle case-sensitive path matching with environment variable
+- File server now adds ETag header for static files
+- fastcgi: New except clause to exclude paths
 - proxy: New max_conns setting to limit max connections per upstream
 - proxy: Enables replaceable value for name of upstream host
-- Internal improvements, restructuring, and bug fixes
+- tls: Customize certificate key with key_type (+ECC)
+- Internal improvements and bug fixes
 
 0.8.2 (February 25, 2016)
 - On-demand TLS can obtain certificates during handshakes