Bug 575782 - POM and product version change for 4.22 release

Change-Id: I5c937042a827043eba62f8d3acee6caeb3abcb11
Signed-off-by: Kit Lo <kitlo@us.ibm.com>
Reviewed-on: https://git.eclipse.org/r/c/equinox/rt.equinox.bundles/+/185020
Tested-by: Sravan Kumar Lakkimsetti <sravankumarl@in.ibm.com>
Reviewed-by: Sravan Kumar Lakkimsetti <sravankumarl@in.ibm.com>
66 files changed