EasyMC and The Altening support

[lynrayy]

Please add support for EasyMC and The Altening (authentication). I'm trying to log in through those servers via meteor client but downloader

    at proxy.auth.ClientAuthenticator.makeRequest(ClientAuthenticator.java:65)
    at proxy.EncryptionManager.lambda$sendReplacementEncryptionConfirmation$11(EncryptionManager.java:299)
    at proxy.EncryptionManager.disconnectOnError(EncryptionManager.java:114)
    at proxy.EncryptionManager.sendReplacementEncryptionConfirmation(EncryptionManager.java:299)
    at proxy.EncryptionManager.lambda$setClientEncryptionConfirmation$5(EncryptionManager.java:214)
    at proxy.EncryptionManager.attempt(EncryptionManager.java:101)
    at proxy.EncryptionManager.setClientEncryptionConfirmation(EncryptionManager.java:203)
    at packets.handler.ServerBoundLoginPacketHandler.lambda$new$1(ServerBoundLoginPacketHandler.java:27)
    at packets.handler.PacketHandler.handle(PacketHandler.java:57)
    at packets.DataReader.readPackets(DataReader.java:163)
    at packets.DataReader.pushData(DataReader.java:118)
    at proxy.ProxyServer.lambda$run$4(ProxyServer.java:86)
    at util.ExceptionHandling.attempt(ExceptionHandling.java:12)
    at proxy.ProxyServer.lambda$run$6(ProxyServer.java:83)
    at java.base/java.lang.Thread.run(Thread.java:833)

[D-a-r-n-o-l-d]

don't add this, could get shut down by mojang.

[lynrayy]

don't listen DARNOLD