Update revisions.txt

Author: Federico Fissore

build/shared/revisions.txt

@@ -3,6 +3,7 @@ ARDUINO 1.6.7
 [ide]
 * new arduino-builder: faster, better prototype generation and library discovery logic, and more. See https://github.com/arduino/arduino-builder/compare/1.0.5...master
 * Serial plotter now allows to plot multiple values at once. Thanks @henningpohl
+* new translations
 
 [libraries]
 * SPI: Added SPI.transfer16(...) function to SAM core.