Mark unused arguments in stubs as such
Fix AF_LOCAL case for communication code
Remove misplaced semicolon after if
Fix leftovers after CfOut->Log migration
Use -Wno-duplicate-decl-specifier to appease Clang

Clang does not like 'const cost Type' construct which arises
from TYPED_SET_DECLARE macro if const Type is passed as a
second arg.
Compile users promise conditionally

OS X does not use useradd/userdel/usermod commands to manage
user accounts, so do a stub implementation for now.
Both PostgreSQL library and headers should be available for PostgreSQL module

OS X 10.9 ships libpq.dylib, but does not ship libpq-fe.h, which causes
cf_sql.c to fail.
VerifyUsersPromise should return PromiseResult

This is a leftover after conversion
Fix OS X-specific prototype
Fix wrong format string in OS X-specific error message
Avoid adding server.c twice to connection_management_test

Otherwise OS X ld barfs about duplicate symbols.
Remove unused arguments and mark unremoveable as unused in Cmockery
Merge pull request #1067 from dottedmag/bugfixes-osx

Bugfixes osx