Use String.contains...
Merge pull request #1306 from rdicosmo/add-solver-cmdline-option

Use String.contains, simpler, faster
Added detailed proposal for opam metadata evolution in 1.2.x
Merge pull request #1321 from rdicosmo/depopts-revamp

Added detailed proposal for opam metadata evolution in 1.2.x
Added clarification on use of depopts for computing a correct recompilation sequence, following @AltGr's comment on #1321
Merge pull request #1322 from rdicosmo/depopts-revamp

Added clarification on use of depopts
Add variable ocaml-native-dynlink

Closes #1324
Merge pull request #1326 from OCamlPro/add-natdynlink-var

Add variable ocaml-native-dynlink
Revert "Metadata update for all dev packages"

This reverts commit 069a895d8f6d8d212e75798a275003df3e93506f.
Turns out this didn't really work, and there is no good way to make it work in
a satisfactory way with the current architecture.
Ref: #1316
Fix dev-package update bug

the "url" file could get deleted in some cases.
Merge pull request #1333 from OCamlPro/fix-pin-url

Fixes to dev and pinned package handling