[maven-release-plugin] prepare for next development iteration
Fixed maven-gpg version

Change-Id: Ie1bf483b0f15f433485cd10a5eb3827e901c5696
Export explicitly 'clients' namespace so it can be used in browser

Change-Id: I5c60928b6c1798126ab31dcc7e2f1c694a579813
Package version updated to release version
[maven-release-plugin] prepare release kws-rpc-builder-4.3.16