Make some oils_ctl.sh improvements.

Make some oils_ctl.sh improvements.

Add start|stop|restart commands for z39.50 to oils_ctl.sh.

Use LOCALSTATEDIR and SYSCONFDIR configuration variables in
oils_ctl.sh.

Modify the existing SIP2 commands in oils_ctl.sh to use these
configuration variables.

Modify src/Makefile.am to replace LOCALSTATEDIR and SYSCONFDIR
variables in oils_ctl.sh when installing.

Add example/default xml configurations for z39.50:
Open-ILS/examples/oils_yaz.xml.example
Open-ILS/examples/oils_z3950.xml.example

Signed-off-by: Jason Stephenson <jstephenson@mvlc.org>
Signed-off-by: Dan Scott <dan@coffeecode.net>