Add the current protocol definition for further development.
Fix invalid JSON schemata.
Define schemata at one place.
Add a check script for JSON schema.
Remove environment variables after setup.
Adjust to avoid static initialization order fiasco.
Remove -Werror because of warnings for constructor priority.
Fix typo.
Use constructor for seccomp enabler (ref gh-95).
Adjust link order to force seccomp enabler order (ref gh-95).
Fix incorrect fd number.
Check undef because caller may pass undef value.
Need additional header in VC12 (ref gh-96).
Add VC12 configuration (ref gh-96).
Take care of VC12 specific behavior (close gh-96).
Fix typo in comment.
Use static object constructor for sandbox enabler also on Windows (ref gh-95).
Implement section check (close gh-95).
Fix incorrect regexp (ref gh-95).
Prevent calling static initialization in parent process (close gh-95).