updated changelog for 1.4.6

Change-Id: If77964f27ad8d47aa02dd73b771b77cc6558ef37

AUTHORS and CHANGELOG updates for 1.4.5

Change-Id: I0ddfa712f9c4dc5110d953439ec41355a25bb4f0

Merge "Final versioning for Swift 1.4.4" into milestone-proposed

Final versioning for Swift 1.4.3

Change-Id: Ia78ac14858777ef0cea522b01713e4a9d1da9ec5

1.4.2 CHANGELOG

updated changelog for 1.4.1

changelog for 1.4.0 release

Final Cactus versioning. Please accept when you sign off the release.