as2-lib 4.4.8

• Allowed absolute path with Windows drives for the attributes pendingmdninfo and pendingmdn (see #97)
• Removed intermediate class AbstractCertificateFactory
• Made CertificateFactory thread-safe (and got rid of some synchronized)
• Changed application name from ph-OpenAS2 to as2-lib
• Renamed AS2ServletSession to AS2ServletXMLSession (incompatible but should not effect outside code)

Dependencies required:

• ph-commons/ph-xml/ph-collection/ph-security/ph-datetime/ph-bc 9.3.7
• ph-mail/ph-http/ph-network 9.1.4
• BouncyCastle 1.63