upd: cleanup javascript
fix: modal close

prevent close buttons in modal from reloading page due to event
propagation
fix: notification process

1. make path resolution work properly on windows when
com_notifications/process.php is called directly from command line
2. construct proper path in shell command for background process when
under admin application
fix: url query recognition logic

make sure query recognition logic work not only with alphanumeric
parameter names, but respects other characters, most notably squire
brackets and dash
upd: cleanup

1. remove duplicate event dispatch
2. (win) make com_notification setting page use system dependent path
separator when displaying system path
upd: notification

allow notfication without subject, i.e. without issuer (e.g. when notification is sent by system)
upd: url composition from route by views

eliminate prefixing with 'index.php?' which just to be stripped right
after by the LibApplicationRouter::build();
the update makes ComApplicationViewHtml::getRoute() more consistent with
other url builders