Update DB to version 8 (company logos).

Cicm.Database/Operations/Operations.cs

@@ -35,7 +35,7 @@ namespace Cicm.Database
     public partial class Operations
     {
         /// <summary>Last known database version</summary>
-        const int DB_VERSION = 7;
+        const int DB_VERSION = 8;
 
         readonly IDbConnection dbCon;
         readonly IDbCore       dbCore;