Adds myself to the maintainers list
Minor modifications of some ocaml packages:

adds myself as a maintainer
adds assertions to have evaluation errors rather than build errors
moves opam out of ocamlPackages, as it does not provide a library
add shell-conduit 1.1
Merge pull request #4189 from vbgl/maintainer

Adds myself as a maintainer
Fixed error with loading svg in roxterm.

Wrapped the GDK_PIXBUF_MODULE_FILE envvar so that roxterm is able to
load svg files.
Add myself to the maintainers of roxterm.
Merge pull request #4191 from cdepillabout/roxterm

Roxterm