* Removing jQuery.ajax.beforeSend - it might be set globally and this code overrides it (part of 62fa253af6ee384f0766d72cd2d67bcf43697692)
* Avoid resetting Backbone history if already started (part of 9591b526bdd56163de0098099e46e44c566061f5)
* goHome no longer triggers thread:removed event - already triggered up the call stack (part of 9591b526bdd56163de0098099e46e44c566061f5)
* Avoid using beforeSend as it might be set globally (adapted from 2dfe104f3915efa546c85ef277eb75c5abb9b49b)
* Refactor triggering navigation to use constant/method instead of magic strings (part of 4843facd507b1cee8712bf10e96ff6c25c98bca2)
* Switching to using jQueyr.prop instead of jQuery.attr
* Fixed email notifications enable/disable (adapted from 8a7f022)
* Load thread if requested thread isn't loaded yet (adapted from e28dde32169b388235030dba945366f4c13e565f)
* Added ability to set custom css classes on search messages (adapted from b2e4c18905d7c7560838e264d6b218a3c4c6dc1f)
* Actually rerendering view with new model data when it is loaded/changed
8d1e10bd8a