BAU-1824 - update email signature link
BAU-1824 - update email signature link - html file
Merge remote-tracking branch 'origin/dev-BAU-1824' into release/2.9.25rc
Bumping version info in pom for ambra-admin 2.9.25 and ambra 2.10.8
As with Ambra, changing protocol specified in pom for use with deploys to ambraproject.org from scp to sftp