ignore DScardSigner.properties in order to keep PINs private
extract certifcate for verification of cmsSignedData
Restructure tests

* Add testclass for SecInfoCmsBuilders
* Move SignedData verification to new class
Use correct fileIdentifier in _addChipSecurity

This required to adjust the provided mocks in order to add the requested
privileged content within EF.ChipSecurity
Implement testBuildSignedData
Extract SignerIdentifier from Certificate tbc

Requires modifications in tlv package, see other branch
Merge branch 'master' into cacheDocumentSignatures

Conflicts:
	de.persosim.simulator.test/src/de/persosim/simulator/perso/DefaultNpaUnmarshallerCallbackTest.java
Extract SignerIdentifier from Certificate
prepare signature verification
verify messageDigest present in signedAttributes of CmsSignedData
generate signedAttributes from provided eContent

Especially generate the messageDigest as hash of the provided eContents
value, according to RFC3852
Implement cache for signed data files
Merge branch 'cacheDocumentSignatures'