Added plugin sorting function that puts masters before non-masterrs.

src/backend/metadata.cpp

@@ -705,6 +705,13 @@ namespace boss {
         return boost::ilexicographical_compare(lhs.Name(), rhs.Name());
     }
 
+    bool master_sort(const Plugin& lhs, const Plugin& rhs) {
+        if ((lhs.IsMaster() && !rhs.IsMaster()) || (!lhs.IsMaster() && rhs.IsMaster()))
+            return true;
+        else
+            return false;
+    }
+
     bool IsPlugin(const std::string& file) {
         if (boost::iends_with(file, ".esp") || boost::iends_with(file, ".esm")
          || boost::iends_with(file, ".esp.ghost") || boost::iends_with(file, ".esm.ghost"))

src/backend/metadata.h

@@ -213,6 +213,8 @@ namespace boss {
 
     bool alpha_sort(const Plugin& lhs, const Plugin& rhs);
 
+    bool master_sort(const Plugin& lhs, const Plugin& rhs);
+
     bool IsPlugin(const std::string& file);
 
     //The map maps each plugin name to a vector of names of plugins that overlap with it and should load before it.