release process for 2.6.1 (#6773)

Author: d-a-v

cores/esp8266/TZ.h

@@ -1,7 +1,7 @@
 
 // autogenerated from https://raw.githubusercontent.com/nayarsystems/posix_tz_db/master/zones.csv
 // by script <esp8266 arduino core>/tools/TZupdate.sh
-// vie nov  8 20:52:44 UTC 2019
+// Thu Nov 14 08:41:55 UTC 2019
 //
 // This database is autogenerated from IANA timezone database
 //    https://www.iana.org/time-zones

platform.txt

@@ -5,8 +5,8 @@
 # For more info:
 # https://github.com/arduino/Arduino/wiki/Arduino-IDE-1.5-3rd-party-Hardware-specification
 
-name=ESP8266 Boards (2.7.0-dev)
-version=2.7.0-dev
+name=ESP8266 Boards (2.6.1)
+version=2.6.1
 
 # These will be removed by the packager script when doing a JSON release
 runtime.tools.xtensa-lx106-elf-gcc.path={runtime.platform.path}/tools/xtensa-lx106-elf