Fix: first check our bool variable, then make some calculations if
it's false. Not the other way around
(upstream git commit 41090dfe3756396a8b4496f732ab8493aa51fe6c)
Fix: disabling protocol obfuscation broke Kad and triggered assertions
(upstream git commit ec2e66216738f92724a37fa030a79734e0e8b1ba)
Fix: disable the partfile importer's 'Add' button on the remote gui
unless using a localhost connection
(upstream git commit 004f3929d91e4b81f47235060d86686fff13e2d3)
Fix: "Prompt on exit" preference
(upstream git commit aea8d002b6446dcaf38db4d4ab222fcebce60948)
Fix: require restart when protocol obfuscation setting gets changed
(upstream git commit ec2e66216738f92724a37fa030a79734e0e8b1ba)
And fix libX11 '-lX11' linkage.
