Plugin [AndyB] Convert Image 4.1

Convert image v2.7 changes:
Now using improved code to download hot linked images.

Convert image v2.6 changes:
Fixed issue with very long file names.

Convert image v2.5 changes:
Removed compress variable which is no longer available.

Convert image v2.4 changes:
Now using XF framework for database and file system. Removed compress JPG image option.

Added the option to compress JPG images.

Fixed issue where a double quote in the image URL caused a server error.

Added code to prevent very large animated GIFs from timing out during thumbnail creation.

• Исправление ошибок.