Added support for AJAX pages.
Added debounce so jirafy replaceTicketNumberWithLinks is throttled.
[Confirmed working with gmail and on-demand instance of Jira]
Cleanup, bug fix
prkoat: Added AJAX tests.  Note the timeout time must be at least 1500ms to account for debounce plus AJAX timer.
Merge pull request #13 from prkoat/ajaxify

Added support for AJAX pages.