WS fixes: Change CRLF to LF
Remove trailing whitespace.
Fix format strings for portability.
Avoid dangling else issues.
Add const qualifier where appropriate.
Fix os_tempnam. Remove usage of obsolete functions.
Add -Werror.
Remove a define meant for Windows, it seems.
Cosmetic fixes to make output.
Only load the plugin when loading a processor.
Fix command invocation on shell.