Simplify the package path guessing.

src/Illuminate/Support/ServiceProvider.php

@@ -105,41 +105,11 @@ public function package($package, $namespace = null, $path = null)
	 */
	public function guessPackagePath()
	{
		$reflect = new ReflectionClass($this);

		// We want to get the class that is closest to this base class in the chain of
		// classes extending it. That should be the original service provider given
		// by the package and should allow us to guess the location of resources.
		$chain = $this->getClassChain($reflect);

		$path = $chain[count($chain) - 2]->getFileName();
		$path = with(new ReflectionClass($this))->getFileName();

		return realpath(dirname($path).'/../../');
	}

	/**
	 * Get a class from the ReflectionClass inheritance chain.
	 *
	 * @param  ReflectionClass  $reflection
	 * @return array
	 */
	protected function getClassChain(ReflectionClass $reflect)
	{
		$classes = array();

		// This loop essentially walks the inheritance chain of the classes starting
		// at the most "childish" class and walks back up to this class. Once we
		// get to the end of the chain we will bail out and return the offset.
		while ($reflect !== false)
		{
			$classes[] = $reflect;

			$reflect = $reflect->getParentClass();
		}

		return $classes;
	}

	/**
	 * Determine the namespace for a package.
	 *