Move versioned releases into package subdirectory

This was an error introduced in #1797
Update deps and version constraints for packet and openflow
Add frenetic.2.0.0 release
Update maintainer email address
frenetic: add ocaml version constraint
Added compiler switch for constructors with records
Add pci-db (0.3.0) to OPAM repo
Fixed file path
[fix] rename bson and mongo to remove ml from version number
remove useless packages (moved to a more specific, logic-oriented opam repo)
+react 1.0.0
theMovieDb 0.8
Add jocaml 4.01.0
Add gdal 0.1.0
Merge pull request #1856 from hcarty/master

Add gdal 0.1.0
Merge pull request #1855 from jpdeplaix/master

Add jocaml 4.01.0
Merge pull request #1854 from Chris00/master

oasis2opam 0.4.4
Merge pull request #1853 from msimon/master

Rename bson.ml and mongo.ml to bson and mongo + themoviedb 0.8
Merge pull request #1851 from dbuenzli/react-1.0.0

+react 1.0.0
Merge pull request #1850 from c-cube/master

remove useless packages (moved to a more specific, logic-oriented opam repo)