Function installationRoutine

Installation steps to install a new plugin. Function differ between extracted and Zip archive plugins

Package: PluginManager
Copyright: four for business AG <www.4fb.de>
License: http://www.contenido.org/license/LIZENZ.txt
Author: Frederic Schneider
Located at plugins/pim/includes/include.right_bottom.php

Parameters summary
`cGuiPage`	`$page`
`boolean`	`$isExtracted = false`
`string`	`$extractedPath = ''`	foldername from extracted plugin
`boolean`	`$update = false`