[maven-release-plugin] prepare for next development iteration
Example of FaceOverlay using promises

Change-Id: Iad315f1e04ba5d69f509fecd9012f9bd32eca2c9
Updated kws-utils

Change-Id: Ib81e082ea8fc9211025c5ec59912e47bfce81be1
Fixed maven-gpg version

Change-Id: Ieeaadc9445a11be035b184926d57b95836778c75
Fixed maven-gpg version

Change-Id: I265afca007304b19b85b7935335e1f5246d6deed
Package version updated to release version
[maven-release-plugin] prepare release kws-media-api-4.3.15