Inherit maven-failsafe-plugin version from parent
(cherry picked from commit 7118ce150546386846bb536d4dd8cc1b834e0bca)
Standarize maven property names used in karaf's features.xml + extract all versions in features.xml + remove dead jexcelapi dependency
(cherry picked from commit d464d4a4a13302805bf0496c2ac56ae68b649489)