changelog:
* Notable change: nq now creates files with permissions 0666 and subject
to your umask (like most programs that create new files). If your queue
needs to remain secret, prohibit access to the whole directory.
* Support for nq in a multi-user environment: having read permission for
queued tasks in the directory is enough to wait for them.
* Makefile: support INSTALL variable.
* Bugfix: create $NQDONEDIR properly
nq is a set of small utilities that allows to create lightweight job
queue system that requires no setup, maintenance, supervision, or any
long-running process.
ok sthen@
