Update src/ folder

Using any editor or tool to replace using regex, now it's time to update classes and traits inside src folder:

• (function initialize\(\))(\n) with $1: void\n
• (function getOptionParser\(\))(\n) with $1: \\Cake\\Console\\ConsoleOptionParser\n
• (function initialize\(.*\))(\n) with $1: void\n
• ((function buildRules\(RulesChecker \$rules\))\n) with $1: RulesChecker\n
• (function validation[a-zA-Z0-9]+\(Validator \$validator\))\n with $1: Validator\n
• (beforeRender)\(([a-zA-Z\\]+) (\$[a-zA-Z]+)\) with $1\(\\Cake\\Event\\EventInterface $3\)
• (beforeFilter)\(([a-zA-Z\\]+) (\$[a-zA-Z]+)\) with $1\(\\Cake\\Event\\EventInterface $3\)
• (afterFilter)\(([a-zA-Z\\]+) (\$[a-zA-Z]+)\) with $1\(\\Cake\\Event\\EventInterface $3\)
• (beforeRedirect)\(([a-zA-Z\\]+) (\$[a-zA-Z]+)\) with $1\(\\Cake\\Event\\EventInterface $3\)
• $this->set('_serialize', $this->viewBuilder()->setOption('serialize',
• ->newEntity() with ->newEmptyEntity()
• \Cake\Network\Response with \Cake\Http\Response
• $this->Paginator->counter([ with $this->Paginator->counter('pages', [

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