Added ability to use your own images as icon/avatar components
This release adds the ability to use your own images when selecting icon components using the 'Frame', 'Character', or 'Background' sections. You can now use your own images and the NSO icon components together when creating your user icon.
Changes:
- Added 'custom' entry to icon component listing that allows you to select your own images to use as icon parts
- Did some rework on the code to remove a dependency and cleanup some mess