Add: test absence of ext-all-debug before release

This is achieved by running a script (via plugin in dist.ini)
before the release phase that dies if it find the ext-all-debug script-tag
in app.html.
v1.000

 - Add: display nr of services in status line (issue #7).
 - Add: print-button to list of email-addresses (issue #8).
 - Add: name of service in rule printout (issue #11).
 - Add: emails displayed are now mailto-links (issue #13).
 - Fix: selecting networks change displayed services (issue #9).