[K7.0] Refactor Config in Core Joomla Configuration (#9924)

* created config.xml - part 1

* Done: Main Options, Frontend tabs

* Done: Users tab

* Done: Subscriptions tab

* Done: Security tab - part 1

* Done: Security tab - part 2 (rebased)

* Done: Uploads tab

* Done: Ranking tab

* Done: BBCode tab

* Done: RSS tab

* Done: Extra tab

* Done: showon added to various fields

* Linkviews / cpanel tile to kunena options

* install script converts config to parameters for component. Pinnend upgrade to 6.4.5 (and higher) only

* refactored KunenaConfig + setter + save

* system plugin resets config cache after config change (save)

* Remove Config MVC

* Remove Config MVC - install script remove files on upgrade

* Fix: properties with empty default value not listed

* process config to array when needed in import, let model handle array instead of string

* added no-config-parameters (hidden)

* Refactored conversion of configuration into component install script as package install script has issues

* Fix: remove files, add maxPersonalText property

* Fix: KunenaConfi->getEmail() is now KunenaConfig->email

* maxPersonalText = 50

* created config.xml - part 1

* Done: Main Options, Frontend tabs

* Done: Users tab

* Done: Subscriptions tab

* Done: Security tab - part 1

* Done: Security tab - part 2 (rebased)

* Done: Uploads tab

* Done: Ranking tab

* Done: BBCode tab

* Done: RSS tab

* Done: Extra tab

* Done: showon added to various fields

* Linkviews / cpanel tile to kunena options

* install script converts config to parameters for component. Pinnend upgrade to 6.4.5 (and higher) only

* refactored KunenaConfig + setter + save

* system plugin resets config cache after config change (save)

* Remove Config MVC

* Remove Config MVC - install script remove files on upgrade

* Fix: properties with empty default value not listed

* process config to array when needed in import, let model handle array instead of string

* added no-config-parameters (hidden)

* Refactored conversion of configuration into component install script as package install script has issues

* Fix: remove files, add maxPersonalText property

* Fix: KunenaConfi->getEmail() is now KunenaConfig->email

* maxPersonalText = 50

* Added static property: defaultPage = recent

* refactor 'static' properties into template properties

* Move cleanup from package script to component script

* fix: rebase error

* Fix for uninstalling media/kunena on package uninstall

* uninstall also menu(s)

* Do not install kunena_configuration table on fresh install

* Fix: setting default value for latestcategory + rss in / exclude categories

Author: Ruud68

build.xml

@@ -313,6 +313,7 @@ workspace/kunena/build/tmp)
 			<filterchain refid="filter" />
 			<fileset dir="${kunena.admin}">
 				<include name="**/*.xml" />
+				<include name="script.php" />
 				<include name="api/**" />
 				<include name="install/**" />
 				<include name="media/**" />
@@ -735,7 +736,7 @@ workspace/kunena/build/tmp)
 			<property
 				name="base.directory"
 				value="${tmp_dir}/packages/plg_kunena_easyblog" />
-		</phingcall>		
+		</phingcall>
 		<phingcall target="archive">
 			<property
 				name="destination.file"