glew: update

Most code taken from the huge pull request
https://github.com/mornfall/nixpkgs/commit/f28674a68b497363b0bf34886c0c20ed260257e8
and added another update, changed description.
curl: Optionally add support for GSSAPI (Kerberos).

@vcunat also did some configureFlags refactoring
Add monkey's audio (.ape) lossless encoder/decoder.

@vcunat: include version in the name, as is our custom
dictd-wordnet: Make wordnet available via local dictd.
dictd-wiktionary: Let dictd serve an offline copy of wiktionary.

@vcunat: add -O to python, as it takes lots of time to process