Allow admin to create groups with name length less than 3 characters

to support existing groups from C2

Change-Id: I79d8642ebc1379a5a4d412ff212200aee4cf76a5
diff --git a/Changes b/Changes
index 6739ef1..a3b2545 100644
--- a/Changes
+++ b/Changes
@@ -4,6 +4,8 @@
 - Fix deprecated URL constructor (AI assisted)
 - Fix Jackson and serialization deprecated methods (AI assisted)
 - Change Userdata to use String username instead of integer userId
+- Allow admin to create groups with name length less than 3 characters 
+  to support existing groups from C2
 
 # version 1.1