the test document is deleted after test
number of XML document signers is updated every time new signatures are merged
URL parameter pubkey changed to cert. Removed unused servlet class CertificateUpload
fix for new class name
minimal number of signatures (threshold) parameter added. When this threshold is reached or exceeded, the notification endpoint is contacted with HTTP GET.
missing class
removed dead code and unused imports
DA REST server URL for unit test changed to localhost:12345, so the test does not fill logs of any common server.