Updated image
Updated Phalcon\Image\Adapter::crop
Updated Image::rotate
Updated Image::sharpen
Merge pull request #91 from phalcon/2.0.0

2.0.0
Updated Image\Adapter
Finsh Image\Adapter
Start Image\Adapter\GD
Merge pull request #1549 from dreamsxin/migration-2.0.0

Updated Image\Adapter