Load Bukkit plugin at startup.

This should allow plugins that use WorldEdit to do things on world load.

worldedit-bukkit/src/main/java/com/sk89q/wepif/VaultResolver.java

@@ -35,6 +35,9 @@ public class VaultResolver implements PermissionsResolver {
             return null;
         }
         RegisteredServiceProvider<Permission> rsp = server.getServicesManager().getRegistration(Permission.class);
+        if (rsp == null) {
+            return null;
+        }
         perms = rsp.getProvider();
         if (perms == null) {
             return null;

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/WorldEditPlugin.java

@@ -86,13 +86,9 @@ public class WorldEditPlugin extends JavaPlugin implements TabCompleter {
     private BukkitServerInterface server;
     private BukkitConfiguration config;
 
-    /**
-     * Called on plugin enable.
-     */
-    @SuppressWarnings("AccessStaticViaInstance")
     @Override
-    public void onEnable() {
+    public void onLoad() {
-        this.INSTANCE = this;
+        INSTANCE = this;
 
         //noinspection ResultOfMethodCallIgnored
         getDataFolder().mkdirs();
@@ -107,6 +103,13 @@ public class WorldEditPlugin extends JavaPlugin implements TabCompleter {
         worldEdit.loadMappings();
 
         loadConfig(); // Load configuration
+    }
+
+    /**
+     * Called on plugin enable.
+     */
+    @Override
+    public void onEnable() {
         PermissionsResolverManager.initialize(this); // Setup permission resolver
 
         // Register CUI

worldedit-bukkit/src/main/resources/plugin.yml

@@ -1,7 +1,7 @@
 name: WorldEdit
 main: com.sk89q.worldedit.bukkit.WorldEditPlugin
 version: "${internalVersion}"
-softdepend: [Spout] #hack to fix trove errors
+load: STARTUP
 api-version: 1.13
 
 # Permissions aren't here. Read http://wiki.sk89q.com/wiki/WEPIF/DinnerPerms