now ignoring PKI-related folders created by the examples
add a working example
added an enumeration to describe the different steps (phases) of the connection
obsolete
added the extension, makes more sense
replaced the pair<int32,uint8> by a much easier-to-use ByteString
add the untrustedServerCertificateReceived() method
added lastConnectionAttemptStep and removed lastConnectionAttemptTime
added a link to the newly added uafc::connectionsteps
added a method to create all security locations
added actions for the client
fix secure session handling
added Client.untrustedServerCertificateReceived, Client.registerUntrustedServerCertificateCallback, Client.unregisterUntrustedServerCertificateCallback
added uafc::ClientInterface::untrustedServerCertificateReceived and updated indentation
updated docs of the previous changes