Reomve deprecated package icons inside manual/ and automatic/
Add improved icons to icons/ folder

These icons have the following characteristics:

* name-normalized (try to match the package id as much as possible)
* de-duplicated
* all non-PNG raster formats converted to PNG
* optimized with optipng -o7
* size: 128 x 128 px if available
Change iconUrls to new repo
Merge pull request #1 from TomOne/improved-package-icons

Improved package icons organization