Prepare release 2.14.4-rc1

Prepare release 2.8.0-rc2

Prepare release 2.8.0-rc1

Prepare the release 2.8.0-beta1

Release 2.8-alpha3: it depends on org.silverpeas.jcr:access-control 1…

….0-alpha3

Version 2.8.0-alpha2 based on Silverpeas JCR access control 1.0-alpha2