Merge pull request phpmd#947 from tvbeek/prepare_2.12.0

Prepare for version 2.12.0

Merge pull request phpmd#929 from phpmd/release/2.11.1

Prepare build for 2.11.1 release

Merge pull request phpmd#922 from phpmd/release/2.11.0

Prepare build for 2.11.0 release

Merge pull request phpmd#904 from TJVB/prepare_2_10_2

Prepare the release for version 2.10.2

Add changelog for 2.10.1 and bump project.version (phpmd#890)

Merge pull request phpmd#880 from phpmd/release/2.10.0

Add changelog for 2.10.0 and bump project.version

Merge pull request phpmd#825 from phpmd/changlog-2.9.1

Add Changelog for 2.9.1

Merge pull request phpmd#795 from TJVB/changelog_2.9.0

Prepare a changelog for version 2.9.0

Merge pull request phpmd#733 from kylekatarnls/feature/732-serialize

Fix phpmd#732: Add __serialize and __unserialize to list of ignored methods for camelCase rule

Add 2.8.1 changelog