Update WIP discord and some vendors.

CPR has features disabled and PCRE is fully disabled until updated to new code.

vendor/ZMQ/builds/gyp/project.gyp

@@ -245,8 +245,6 @@
         '../../src/tipc_listener.hpp',
         '../../src/trie.cpp',
         '../../src/trie.hpp',
-        '../../src/tweetnacl.c',
-        '../../src/tweetnacl.h',
         '../../src/udp_address.cpp',
         '../../src/udp_address.hpp',
         '../../src/udp_engine.cpp',