First commit of masterlist converter.

This will be a separate program to BOSS that will convert a v2
masterlist to a v3 masterlist, and display error messages for any issues
found.

src/converter.cpp

@@ -0,0 +1,49 @@
+/*  BOSS
+
+    A plugin load order optimiser for games that use the esp/esm plugin system.
+
+    Copyright (C) 2013    WrinklyNinja
+
+    This file is part of BOSS.
+
+    BOSS is free software: you can redistribute
+    it and/or modify it under the terms of the GNU General Public License
+    as published by the Free Software Foundation, either version 3 of
+    the License, or (at your option) any later version.
+
+    BOSS is distributed in the hope that it will
+    be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with BOSS.  If not, see
+    <http://www.gnu.org/licenses/>.
+*/
+
+#include "backend/legacy-parser.h"
+#include "backend/generators.h"
+#include "backend/streams.h"
+#include "backend/metadata.h"
+
+using namespace std;
+
+int main(int argc, char * argv[]) {
+    fs::path v2masterlist("../../BOSS/data/boss-skyrim/masterlist.txt");
+    list<boss::Plugin> test_plugins;
+    list<boss::Message> globalMessages;
+    Loadv2Masterlist(v2masterlist, test_plugins, globalMessages);
+
+    YAML::Emitter yout;
+    yout.SetIndent(2);
+    yout << YAML::BeginMap
+         << YAML::Key << "globals" << YAML::Value << globalMessages
+         << YAML::Key << "plugins" << YAML::Value << test_plugins
+         << YAML::EndMap;
+
+    boss::ofstream out(_game.MasterlistPath());
+    out << yout.c_str();
+    out.close();
+
+    return 0;
+}