[Releng] [Components] 0.0.26 parent pom release - Added a tycho snapshot dependency in order to resolve xtend 2.16.0 depending on guava 22-snapshot - Update the other references to the parent pom Change-Id: If79409a6fbe91b06315d10e88ce1b0f3e269e0c0 Signed-off-by: Quentin Le Menez <quentin.lemenez@cea.fr>