Delete an accidentally commited tgz file, and update gitignore

Closes #2788
ocamldap: Fix compilation with ocaml 4.02
Merge pull request #2789 from avsm/master

Delete an accidentally commited tgz file, and update gitignore
+mirage-xen-minios.0.4
macaque 0.7 & 0.7.1
Merge pull request #2790 from jpdeplaix/ocamldap-on-4.02

ocamldap: Fix compilation with ocaml 4.02
Merge pull request #2792 from avsm/minios-0.4

Minios 0.4
Merge pull request #2793 from jpdeplaix/macaque-0.7

macaque 0.7 & 0.7.1
Merge branch 'master' of https://github.com/OCamlPro/opam-repository
change archive checksum or rdf 0.9.0