Change default binary path for notify-send and terminal-notifier.
Add a subtitle indicating build status for OSX notifications.
Remove 'open' command for terminal-notifier messages.
Use 'activate' parameter for terminal-notifier messages.

Default activated application is: com.apple.Terminal.
Use 'notifier.notification-center.activate' property to modify which
application will be launched when clicking on notification.
Bundle identifier can be found in Info.plist application bundle.