Add option to work without permissions plugin, hide adminunclaim in help

Admin unclaim is only shown in help for admins. Previously, anyone with
the the claimchunk.access permission could see it.

src/main/java/com/cjburkey/claimchunk/Utils.java

@@ -36,9 +36,7 @@ public static String getMsg(String key) {
     }
 
     public static int clamp(int val, int min, int max) {
-        if (val > max) return max;
-        if (val < min) return min;
-        return val;
+        return Math.max(Math.min(val, max), min);
     }
 
     public static void msg(CommandSender to, String msg) {
@@ -68,16 +66,26 @@ public static void toPlayer(Player ply, ChatColor color, String msg) {
         }
     }
 
+    // Methods like these make me wish we had macros in Java
     public static boolean hasPerm(@Nullable CommandSender sender, boolean basic, String perm) {
         if (sender == null) return false;
         boolean hasPerm = sender.hasPermission("claimchunk." + perm);
-        return (basic ? (hasPerm || sender.hasPermission("claimchunk.player")) : hasPerm);
+        return (basic
+                ? (Config.getBool("basic", "disablePermissions")
+                || hasPerm
+                || sender.hasPermission("claimchunk.player"))
+                : hasPerm);
     }
 
+    // Methods like these make me wish we had macros in Java
     public static boolean hasPerm(CommandSender sender, boolean basic, Permission perm) {
         if (sender == null) return false;
         boolean hasPerm = sender.hasPermission(perm);
-        return (basic ? (hasPerm || sender.hasPermission("claimchunk.player")) : hasPerm);
+        return (basic
+                ? (Config.getBool("basic", "disablePermissions")
+                || hasPerm
+                || sender.hasPermission("claimchunk.player"))
+                : hasPerm);
     }
 
     private static String prepMsg(String msg, Object... data) {

src/main/java/com/cjburkey/claimchunk/cmds/CmdAdminUnclaim.java

@@ -21,7 +21,7 @@ public String getDescription() {
 
     @Override
     public boolean getShouldDisplayInHelp(CommandSender sender) {
-        return Utils.hasPerm(sender, false, "access");
+        return Utils.hasPerm(sender, false, "admin");
     }
 
     @Override

src/main/java/com/cjburkey/claimchunk/packet/TitleHandler.java

@@ -60,9 +60,10 @@ public static void showSubTitle(Player player, String text, ChatColor color, int
      */
     public static void showActionbarTitle(Player player, String text, ChatColor color, int fadeInTicks, int stayTicks,
                                           int fadeOutTicks) throws Exception {
-        // This may fail if the server is running a version that doesn't support action bars (like 1.10)
+        // This may fail if the server is running a version that doesn't support action bars
         // In such a case, unless the action was to clear the action bar, the message will be displyed in the subtitle slot
         //  and a message logged in the console.
+        // This may not be necessary but I'm doing it anyway so deal with it
         try {
             showTitle(player, text, color, fadeInTicks, stayTicks, fadeOutTicks, "ACTIONBAR");
         } catch (Exception ignored) {

src/main/resources/config.yml

@@ -1,3 +1,6 @@
+basic:
+  disablePermissions: false
+
 log:
   debugSpam: true
   anonymousMetrics: true