Update revision log

cmaglie · cmaglie · commit 81bcaa836939 · 2017-01-03T13:19:12.000+01:00
diff --git a/build/shared/revisions.txt b/build/shared/revisions.txt
@@ -2,6 +2,7 @@ ARDUINO 1.8.1
 
 [ide]
 * Fixed font rendering not anti-aliased on Windows (regression)
+* Increased number of colors on serial plotter to 8, thanks @cousteaulecommandant
 
 ARDUINO 1.8.0 - 2016.12.20
 
