Bump version to 3.0.0

Reviewed By: defHLT

Differential Revision: D44103047

fbshipit-source-id: bea49a3e05a641f1e5714054e8905d033ed0bc2d

Bump version 2.5.0 => 2.6.0

Reviewed By: oprisnik

Differential Revision: D31540512

fbshipit-source-id: 444e56b9dbfebfd7b8ae2622785b444cc2dd4a2e

Fix OSS build

Reviewed By: passy

Differential Revision: D28935249

fbshipit-source-id: 80bc13f87f39fabb65fba48dd318dbcf086468a5

Version 2.4.0

Version 2.3.0

Version 2.2.0

Version 2.1.0

Version 2.0.0