corrected copyright year and symbol

Author: Jeremy Tammik

CompHoundInv/AssemblyInfo.cs

@@ -12,7 +12,7 @@
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("Autodesk, Inc.")]
 [assembly: AssemblyProduct("Autodesk Inventor")]
-[assembly: AssemblyCopyright("Copyright ?2012 Autodesk, Inc.")]
+[assembly: AssemblyCopyright("Copyright (C) 2015 Autodesk, Inc.")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]