I suspect there is something wrong with the elpa package generator. Emacs'
setup-hook adds the `site-lisp` directory to `load-path`, but elpa packages end
up having their code in `site-lisp/elpa/package-version, and thus emacs cannot
load them.
If that worked, adding `color-theme` as `builInput` might be better than
explicitly adding its `site-lisp` to the `load-path` in the `buildPhase`
update emacs solarized theme and fix the name
* Added myself as maintainer as no one was there
* Picked the latest version (no tags in that repo)
* Changed the name, this was (probably mistakenly) named as color-theme, which
is another package