mostly just forward environment variables to make arguments,
this partially reverts 5d1e51a199
which removed them because they're already set in env--
but that's not enough to override make vars.
Also, readline is buildInput not nativeBuildInput
(we need headers and to link against it)
* pkgs: refactor needless quoting of homepage meta attribute
A lot of packages are needlessly quoting the homepage meta attribute
(about 1400, 22%), this commit refactors all of those instances.
* pkgs: Fixing some links that were wrongfully unquoted in the previous
commit
* Fixed some instances
