Merge pull request #47 from robertbrockie/misc

Different spelling.
Merge pull request #48 from robertbrockie/misc

Cleaned up how ticket buttons are rendered.
Merge pull request #49 from robertbrockie/misc

Better link for cancelled events.
Update your Analytics tracking code to support Display Advertising.
Merge pull request #50 from robertbrockie/misc

Do not open internal links in a new window.
Added Ticketmaster to the list.
Support the postoned flag.