Merge pull request #470 from humphrey-xmos/feature/release-prep

Release preparation

Merge pull request #465 from shuchitak/release/v4.0.0

Bump version to v4.0.0

Version bump v3.0.0 -> v3.0.1

Merge pull request #452 from xross/release_prep_v3

Release prep v2.4.0 -> v3.0.0

Merge pull request #410 from xross/develop

Jenkinsfile: shallow clone and use infr_apps: develop

'Release: 2.3.2'

'Release: 2.3.2rc0'

'Release: 2.3.1'

Merge pull request #390 from xmos/release/v2.3.0

Release/v2.3.0

'Release: 2.2.4'