GUAC-605: Use MessageFormat interpolation for angular-translate.
GUAC-605: Add guacNotification directive.
GUAC-605: Migrate status to guacNotification. Add countdown string to en_US translation. Use 15 second reconnect countdown if appropriate for error at hand.
Merge pull request #13 from glyptodon/reconnect-countdown

GUAC-605: Add reconnect countdown