Update copyright holders

avivace · avivace · commit 6d3defef2787 · 2019-01-03T18:37:06.000+01:00
diff --git a/LICENSE.txt b/LICENSE.txt
@@ -1,3 +1,5 @@
+(C) 2014 - 2019 Roberto Previtera, Antonio Vivace, CoderBot contributors.
+
                     GNU GENERAL PUBLIC LICENSE
                        Version 2, June 1991
 

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,5 @@`
	`1`	`+(C) 2014 - 2019 Roberto Previtera, Antonio Vivace, CoderBot contributors.`
	`2`	`+`
`1`	`3`	`GNU GENERAL PUBLIC LICENSE`
`2`	`4`	`Version 2, June 1991`
`3`	`5`