* X501Name.cs: Support for E (email) in FromString.
* X520Attributes.cs: Added X520.EmailAddress.
Both patches fix bug #61241 and were contributed by Ianier Munoz.
svn path=/branches/mono-1-0/mcs/; revision=31197
* X501Name.cs: New. X.501 Distinguished Names stuff
* X509Builder.cs: New. Abstract class for building X.509 related
structures (like certificates and CRLs).
* X509Certificate.cs: New. A more complete class to handle X.509
certificates.
* X509CertificateBuilder.cs: New. Class to build X.509 certificates.
* X509Extension.cs: New. A base class for all X.509 extensions.
* X509Extensions.cs: New. X509Extension collection.
* X520Attributes.cs: New. X.520 attributes (mainly for X501 names)
svn path=/trunk/mcs/; revision=12574