Update ClaimsIdentityExtensions.cs
Update Saml2AssertionExtensions.cs

Update for Statements serialization
Create Saml2StatementExtension.cs

Saml2Attribute serialization
Update Kentor.AuthServices.csproj
Update Saml2Response.cs

Support for SaveBootstrapContext
Sollution fix+Unit tests for SAML assertion statement and bootsrrap context
Code review changes
Fix MorePublicSamk2SecurityTokenHandler configuration and test
Renamed private class MockSaml2Statement to StubSaml2Statement
- In the rest of the code base the terms stub and mock are used with their correct meaning, so let's continue that although this is really nit picking.
Renamed MorePUblic... to SAml2PSecurityTokenHandler in Saml2ResponseTest.
Added Jozef to the contributors list.
Merging #130 with Attribute Statement and Bootstrapcontext support
- Support to serialize claims into assertions.
- Support for saving original assertion into Boostrapcontext property of the resulting claim.