Feature: settings (#216)

* New admin panel Pages: Options + Config [WIP]

* Forgot the plugin example of options

* Rename to settings.php

* Add Settings Class

* New myaac_settings table

* Add $limit parameter to $db->select method

* Add $member var annotation

* Remove useless title_separator from config

* Move $menus to menus.php

Also fix active link when menu item has subpage

* Settings [WIP]

New Settings class
New Plugins::load() method
Move config.php to settings.php
MyAAC Settings will have plugin_name = 'core'
Add compat_config.php

* Change options.php to settings.php

* Change name to settings

* Add Settings menu

* Add Sections + Add setting($key) function

Reorganisation

* Add email + password fields as type

* Update 33.php

* add settings migration

* php 8 compatibility

* add missing hook

* Add categories in tabs, move more settings, revert back getPluginSettings

Categories and sections are now not numbered
Remove example settings plugin

* fix typo

* Update .gitignore

* Add 36th migration for settings table

* Execute migrations just after db connect

* Update plugins.php

* [WIP] Some work on settings

Add hidden settings
New method: parse, to parse settings from array
Move base html to twig template
Remove vocation loading from .xml, instead use predefined voc names

* Rename

* Fix path

* [WIP] More work on settings

Move more config to settings (mainly mail_* + some other)
Remove mail_admin, wasnt used anywhere
Add return type to some functions
Add Twig settings(key) function
Possibility to save setting to db

* Add min, max, step to number field option

* Re-enable plugin if disabled and already installed

* Add Settings menu, including all plugins with settings

One change included in previous commit, due to missclick

* Nothing important

* Better boolean detection

* More detailed error message in settings

* Lets call it settings.name instead

* Add new function: only_if, to hide fields when they are not enabled [WIP]

Not fully finished yet

* guild_management: show_if

* Hide section title on show_if

* Fix: check on page load if radio button is checked

* Add: show_if - account_mail_verify

* nothing important

* Rename team_* variables + add to deprecated

* Change variable name

* Extract Settings:save function

* Add settings.callbacks.get

* Move forum config to settings

* Move status config to settings

* Remove whitespaces

* More config to settings: account_types, genders, highscores, admin

* Move signature config to settings

* Move news config to settings

* Rename variable

* Save config.php in Settings

Egg and hen problem solved :)
* Test database connection on save settings -> prevents from making website unusable if connection is wrong
* Test server_path -> same
There is no config.php anymore, just config.local.php, which can be edited manually and also from admin panel

* Remove configs from previous commit

* Fix create account, if account_create_character_create is enabled

* Add more deprecated configs

* Add more info into comment

* Update 5-database.php

* Fix menu highlighting & opening

* Update template.php

* Enable script option

* Reword email settings + move two new settings

* add last_kills_limit + move shop

* google_analytics_id

* add mail_lost_account_interval

* Create character blocked words (by @gpedro), just moved to settings

* Fix google_analytics

* create character name config moved to settings

* Fix for install warning - min/max length

* New create character checks configurable: block monsters & spells names

* fixes

* Improve character npc name check

* New setting: donate_column + move donate config to settings

* Add super fancy No Refresh saving with a toast

* Add new possibility: to deny saving setting if condition is not met

* Move database settings to separate category

* Fix default value displaying

* Add database_hash setting

* add last_kills_limit to compat config

* Move create character blocked names down

* Every setting needs to have default

* Move rest of config to settings

Remove config.php completely
Add new settings category: Game
Fix account_login_by_email
Min textarea size = 2 + adjusted automatically

system/pages/account/change_name.php

@@ -19,17 +19,17 @@ if(!$logged) {
 
 $player_id = isset($_POST['player_id']) ? (int)$_POST['player_id'] : NULL;
 $name = isset($_POST['name']) ? stripslashes(ucwords(strtolower($_POST['name']))) : NULL;
-if((!$config['account_change_character_name']))
+if((!setting('core.account_change_character_name')))
 	echo 'Changing character name for premium points is disabled on this server.';
 else
 {
-	$points = $account_logged->getCustomField('premium_points');
+	$points = $account_logged->getCustomField(setting('core.donate_column'));
 	if(isset($_POST['changenamesave']) && $_POST['changenamesave'] == 1) {
-		if($points < $config['account_change_character_name_points'])
-			$errors[] = 'You need ' . $config['account_change_character_name_points'] . ' premium points to change name. You have <b>'.$points.'<b> premium points.';
+		if($points < setting('core.account_change_character_name_price'))
+			$errors[] = 'You need ' . setting('core.account_change_character_name_price') . ' premium points to change name. You have <b>'.$points.'<b> premium points.';
 
-		$minLength = config('character_name_min_length');
-		$maxLength = config('character_name_max_length');
+		$minLength = setting('core.create_character_name_min_length');
+		$maxLength = setting('core.create_character_name_max_length');
 
 		if(empty($errors) && empty($name))
 			$errors[] = 'Please enter a new name for your character!';
@@ -86,7 +86,7 @@ else
 							}
 						}
 
-						$account_logged->setCustomField("premium_points", $points - $config['account_change_character_name_points']);
+						$account_logged->setCustomField(setting('core.donate_column'), $points - setting('core.account_change_character_name_price'));
 						$account_logged->logAction('Changed name from <b>' . $old_name . '</b> to <b>' . $player->getName() . '</b>.');
 						$twig->display('success.html.twig', array(
 							'title' => 'Character Name Changed',