Add __pid internal variable
Dont' install private headers
Use USER and LOGNAME for logging
Don't ignore first slash in param
FD_CLOEXEC flag for klish lock
FD_CLOEXEC for konfd socket
FD_CLOEXEC for input files
Don't use /bin/sh -c for ACTIONs

Conflicts:
	plugins/clish/sym_script.c
Add doc dir with unfinished markdown docs
Minor doc changes
Doc syntax fixes
Doc fixes
Syntax fixes for doc