[new release] ppxlib (0.15.0)
[new release] ppxlib (0.15.0)

CHANGES:

- Remove `base` and `stdio` dependencies (ocaml-ppx/ppxlib#151, @ceastlund)

- Update README and opam description (ocaml-ppx/ppxlib#155, @jeremiedimino)

- Fix `Driver.partition_transformation` (ocaml-ppx/ppxlib#156, @NathanReb)

- Implement name mangling for `ppxlib_traverse` (ocaml-ppx/ppxlib#159, @ceastlund)

astrada/opam-repository,c-cube/opam-repository,mjambon/opam-repository,andersfugmann/opam-repository,kkirstein/opam-repository,orbitz/opam-repository,lefessan/opam-repository,pirbo/opam-repository,hannesm/opam-repository,Leonidas-from-XIV/opam-repository,dbuenzli/opam-repository,pirbo/opam-repository,abate/opam-repository,talex5/opam-repository,ocaml/opam-repository,jhwoodyatt/opam-repository,emillon/opam-repository,jonludlam/opam-repository,Leonidas-from-XIV/opam-repository,mjambon/opam-repository,jonludlam/opam-repository,codinuum/opam-repository,Chris00/opam-repository,dbuenzli/opam-repository,djs55/opam-repository,Chris00/opam-repository,nberth/opam-repository,kkirstein/opam-repository,lefessan/opam-repository,arlencox/opam-repository,fpottier/opam-repository,pqwy/opam-repository,cakeplus/opam-repository,seliopou/opam-repository,ocaml/opam-repository,andersfugmann/opam-repository,seliopou/opam-repository,toots/opam-repository,hakuch/opam-repository,pqwy/opam-repository,codinuum/opam-repository,djs55/opam-repository,jhwoodyatt/opam-repository,astrada/opam-repository,yallop/opam-repository,emillon/opam-repository,hannesm/opam-repository,toots/opam-repository,yallop/opam-repository,fpottier/opam-repository,c-cube/opam-repository,talex5/opam-repository,nberth/opam-repository