Updated CEP3 merge hak

Updated CEP3 merge hak.  Added tools for future CEP2 merge.

CEP2/2.69/BuildHaks.cmd

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+cd _tools\
+NWN.CLI.exe -k
+cd ..

CEP2/2.69/BuildTLK.bat

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+pushd _tools\
+if exist ..\_tlk\prc4_cep3_merge.xml xml2tlk.exe ..\_tlk\prc4_cep3_merge.xml ..\output\prc4_cep3_merge.tlk
+pause

CEP2/2.69/_tools/hakbuilder.json

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+{
+  "OutputPath": "../output/",
+  "HakList": [
+    {
+      "Name":  "prc4_cep3_merge",
+      "Path": "../_hak/prc4_cep3_merge/",
+      "CompileModels": false
+    },	
+   ]
+}