Allow addition of external new resource bundles as well as replacemen…

…t of existing ones

- Users may override bundled resource bundles or add entirely new ones by putting them in the 'lang' folder inside of MyWarp's plugin folder. Bundles must be placed in sub-folders that mirror MyWarp's package structure and named accordingly (e.g. 'me/taylorkelly/mywarp/lang/Commands_de.properties' overwrites the bundled german bundle).
- Custom files will not be updated in any way, missing keys are resolved via the standard bundle lookup order.
- The root resource bundle cannot be overwritten.
- Folder and files will not be created automatically. By default only bundled files will be used.

Adds #33.

mywarp-bukkit/src/main/java/me/taylorkelly/mywarp/bukkit/MyWarpPlugin.java

@@ -19,7 +19,6 @@
 
 package me.taylorkelly.mywarp.bukkit;
 
-import com.google.common.base.Charsets;
 import com.google.common.collect.Iterables;
 import com.google.common.util.concurrent.ListeningExecutorService;
 import com.google.common.util.concurrent.MoreExecutors;
@@ -53,7 +52,6 @@
 import me.taylorkelly.mywarp.bukkit.markers.DynmapMarkers;
 import me.taylorkelly.mywarp.bukkit.timer.BukkitDurationProvider;
 import me.taylorkelly.mywarp.bukkit.timer.BukkitTimerService;
-import me.taylorkelly.mywarp.bukkit.util.EncodedControl;
 import me.taylorkelly.mywarp.bukkit.util.jdbc.DataSourceFactory;
 import me.taylorkelly.mywarp.bukkit.util.jdbc.SingleConnectionDataSource;
 import me.taylorkelly.mywarp.bukkit.util.parametric.ActorAuthorizer;
@@ -77,6 +75,7 @@
 import me.taylorkelly.mywarp.util.CommandUtils;
 import me.taylorkelly.mywarp.util.MyWarpLogger;
 import me.taylorkelly.mywarp.util.i18n.DynamicMessages;
+import me.taylorkelly.mywarp.util.i18n.FolderSourcedControl;
 import me.taylorkelly.mywarp.util.i18n.LocaleManager;
 
 import net.milkbowl.vault.economy.Economy;
@@ -112,7 +111,7 @@ public class MyWarpPlugin extends JavaPlugin implements Platform {
   private static final Logger log = MyWarpLogger.getLogger(MyWarpPlugin.class);
 
   private final File bundleFolder = new File(getDataFolder(), "lang");
-  private final ResourceBundle.Control control = new EncodedControl(Charsets.UTF_8);
+  private final ResourceBundle.Control control = new FolderSourcedControl(bundleFolder);
 
   private SingleConnectionDataService dataService;
   private GroupResolverManager groupResolverManager;