* conf/rc-sysinit.conf: Added emits stanza for runlevel event.
* extra/conf/upstart-socket-bridge.conf: Added emits stanza for socket
event.
* extra/conf/upstart-udev-bridge.conf: Added emits stanza for udev class
of events (using globs).
* init/man/init.5: Updated emits stanza section to explain use of
wildcard characters.
* util/initctl.c:
- New functions:
- allow_job(): Determine if specified job is erroneous or not.
Handles variables (such as instance variables).
- allow_event(): Determine if specified event is erroneous or not.
Handles globbing.
- eval_expr_tree():
- Added calls to allow_job() and allow_event().
- Slight simplification of operand-handling code.
* util/tests/test_initctl.c: Simplification of dbus_configured().