ocaml-sexplib: propagate the dependency to typeconv

And requires camlp4
ocaml-ipaddr: update 2.4.0 -> 2.5.0
ocaml-tyxml: update 3.0.0 -> 3.1.1
Added more lua modules to lua-packages, added them as dependencies for
mudlet

Closes #4269
New package: traceroute-2.0.20

Closes #4322
Merge pull request #4323 from vbgl/ocaml-ipaddr-2.5.0

OCaml-ipaddr: update to 2.5.0
Kid3: New Package

Kid3 is a simple and powerful audio tag editor

Closes #4325
debootstrap | 404-fix: 1.0.60 is gone from debian mirrors, update to
1.0.63

Closes #4321
New package: pharo launcher

http://pharo.org

Closes #4315
libLAS: initial expression

Closes #4233
kid3: fix evaluation

cc @AndersonTorres
Make boost 156 the default
boost: More fixes / 155 pinning