Ported .Net Core commits:

hondacrx:
- Initial commit: Switch to .Net Core 2.0
- Fix build and removed not needed files
Fabi:
- Updated solution platforms.
- Changed folder structure.
- Change library target framework to netstandard2.0.
- Updated solution platforms again...
- Removed windows specific kernel32 function usage (Ctrl-C handler).

Source/Framework/Constants/SupportSystemConst.cs

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2012-2017 CypherCore <http://github.com/CypherCore>
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Framework.Constants
+{
+    public enum GMTicketSystemStatus
+    {
+        Disabled = 0,
+        Enabled = 1
+    }
+
+    public enum GMSupportComplaintType
+    {
+        None = 0,
+        Language = 2,
+        PlayerName = 4,
+        Cheat = 15,
+        GuildName = 23,
+        Spamming = 24
+    }
+
+    public enum SupportSpamType
+    {
+        Mail = 0,
+        Chat = 1,
+        Calendar = 2
+    }
+}