Added devilution-comparer files

I've kept these local for ages, but they're probably useful to have
upstream too

.gitignore

@@ -9,7 +9,8 @@ build.7z
 build.zip
 
 # Executables
-*.exe
+build_en/*.exe
+build_jp/*.exe
 
 # MSVC trash
 msvc/msvc2003/CSE2.ncb

msvc/msvc2003/devilution/cvdump-LICENSE

@@ -0,0 +1,21 @@
+Copyright (c) 2015 Microsoft Corporation. All rights reserved. 
+ 
+This code is licensed under the MIT License (MIT). 
+
+Permission is hereby granted, free of charge, to any person obtaining a copy 
+of this software and associated documentation files (the "Software"), to deal 
+in the Software without restriction, including without limitation the rights 
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 
+of the Software, and to permit persons to whom the Software is furnished to do 
+so, subject to the following conditions: 
+
+The above copyright notice and this permission notice shall be included in all 
+copies or substantial portions of the Software. 
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 
+THE SOFTWARE.