Update revision log

Author: cmaglie

build/shared/revisions.txt

@@ -15,6 +15,11 @@ ARDUINO 1.6.6
 * IDE groups compiled files into "libraries", "core" and "sketch" folders
 * Added Serial Plotter. Thanks @henningpohl
 
+[libraries]
+
+* Bridge: YunClient.connected() returns true if there are bytes available for read. Thanks @RobAtticus
+* Bridge: YunClient.stop() now empties all buffers. Thanks @RobAtticus
+
 ARDUINO 1.6.5-r2 - 2015.06.17
 
 [ide]