Bump version, and make future version changes easier

bukkit/src/main/java/me/lucko/luckperms/LPBukkitPlugin.java

@@ -32,8 +32,6 @@ import java.util.stream.Collectors;
 
 @Getter
 public class LPBukkitPlugin extends JavaPlugin implements LuckPermsPlugin {
-    public static final String VERSION = "v1.3";
-
     private LPConfiguration configuration;
     private UserManager userManager;
     private GroupManager groupManager;
@@ -146,7 +144,7 @@ public class LPBukkitPlugin extends JavaPlugin implements LuckPermsPlugin {
 
     @Override
     public String getVersion() {
-        return VERSION;
+        return getDescription().getVersion();
     }
 
     @Override

bukkit/src/main/resources/plugin.yml

@@ -1,6 +1,6 @@
 name: LuckPerms
 author: Luck
-version: 1.2
+version: ${global.version}
 main: me.lucko.luckperms.LPBukkitPlugin
 softdepend: [Vault]
 description: A permissions plugin