Use the correct PKCS#12 file for HTTP server.

https://fedorahosted.org/freeipa/ticket/3665
Remove stray error condition in ipa-server-install.
Handle exceptions gracefully when verifying PKCS#12 files.

https://fedorahosted.org/freeipa/ticket/3667
Skip empty lines when parsing pk12util output.
Do not allow installing CA replicas in CA-less setup.

https://fedorahosted.org/freeipa/ticket/3673
https://fedorahosted.org/freeipa/ticket/3674
Do not track DS certificate in CA-less setup.

https://fedorahosted.org/freeipa/ticket/3675