[PAXEXAM-338] Use Pax URL 1.4.0
[PAXEXAM-338] Use Pax URL 1.4.0

Snapshot version is called 1.4-SNAPSHOT (without .0)
ops4j/org.ops4j.pax.exam2,The-Alchemist/org.ops4j.pax.exam2,koma-akdb/org.ops4j.pax.exam2,The-Alchemist/org.ops4j.pax.exam2,ops4j/org.ops4j.pax.exam2,bimargulies/org.ops4j.pax.exam2,koma-akdb/org.ops4j.pax.exam2,bimargulies/org.ops4j.pax.exam2