Bug 573456 - Version bumps for 4.21

Change-Id: Ia012e2bae7a0290053cffa70cedeb03137014c95
Signed-off-by: Joerg Kubitz <jkubitz-eclipse@gmx.de>
Reviewed-on: https://git.eclipse.org/r/c/equinox/rt.equinox.framework/+/181979
Tested-by: Equinox Bot <equinox-bot@eclipse.org>
Reviewed-by: Andrey Loskutov <loskutov@gmx.de>
4 files changed