JDK-8028388: changing JAF initialisation
changed version to 1.3.21-CPU-SNAPSHOT
14_02-JDK-8026188-EnvelopeFactory
added .gitignore
merged 14_02 changeset (JDK-8026188-EnvelopeFactory)
TCK regression - revert of Ryan's fix: When converting from StAX to SAAJ for documents with no <Header> element suppress the Header created by getEnvelope()