CHANGELOG.md: Update to v1.0.0-rc1, v1.0.0
CHANGELOG.md: Update to v1.0.0-rc1, v1.0.0

Fix issue https://github.com/gmacario/easy-jenkins/issues/110

Signed-off-by: Gianpaolo Macario <d50c09b51e61901a1c5054dce86f92776c198faa@mentor.com>
gmacario/easy-jenkins