Add property EXCLUDE_FROM_DEFAULT_BUILD_<CONFIG>

Allow EXCLUDE_FROM_DEFAULT_BUILD to be specified per configuration.

Source/cmGlobalVisualStudio71Generator.cxx

@@ -273,9 +273,10 @@ void cmGlobalVisualStudio71Generator
 // Write a dsp file into the SLN file, Note, that dependencies from
 // executables to the libraries it uses are also done here
 void cmGlobalVisualStudio71Generator
-::WriteProjectConfigurations(std::ostream& fout, const char* name,
-                             bool partOfDefaultBuild,
-                             const char* platformMapping)
+::WriteProjectConfigurations(
+  std::ostream& fout, const char* name,
+  const std::set<std::string>& configsPartOfDefaultBuild,
+  const char* platformMapping)
 {
   std::string guid = this->GetGUID(name);
   for(std::vector<std::string>::iterator i = this->Configurations.begin();
@@ -284,7 +285,9 @@ void cmGlobalVisualStudio71Generator
     fout << "\t\t{" << guid << "}." << *i
          << ".ActiveCfg = " << *i << "|"
          << (platformMapping ? platformMapping : "Win32") << std::endl;
-    if(partOfDefaultBuild)
+    std::set<std::string>::const_iterator
+      ci = configsPartOfDefaultBuild.find(*i);
+    if(!(ci == configsPartOfDefaultBuild.end()))
       {
       fout << "\t\t{" << guid << "}." << *i
            << ".Build.0 = " << *i << "|"