XNAT-4399, XNAT-4400: Tables can be easily populated with a url - XNAT.table.dataTable('/data/url').table; form panels can use submission method from data-method attribute;  tab layout can not be specified in config object (rather than just through a JavaScript variable).

XNAT-4405 Added WWW-Authenticate to headers when non-interactive agent calls data URI. This lets non-preemptive basic auth work properly.

XNAT-4357 - Fix IE JavaScript issue in file uploader plus improvements to drag and drop and other minor uploader fixes/improvements

Minor refactoring of persistent and automation events. Better event listener exception handling and reporting. EventClass annotation is now an NRG processed annotation. Fix null Python scripting engine issue

Uncommented the line adding a method attribute to a Spawner form element

XNAT-4268: set window.loggedIn variable to true in popup templates - the user must be logged in to view the popup anyway.

This reverts commit e81ae59b.

XNAT-4346 XNAT-4330 Changed AbstractXnatRestApi to AbstractXapiRestController. Fixed logic in permissions check that broke certain saved searches.

XNAT-4399: updates for XNAT.table widget and new XNAT.ui.panel.data.table widget; also fixes for sorting.

XNAT-4248 - passwordExpirationType should be a set of radio buttons, plus calendar date picker and style changes to support V&P icons

XNAT-4239 Removed rarely used data types. Added PETMR to AdminUI. The PETMR split option is not working right for me, but I think it's because of existing windows prearchive bugs. Otherwise everything seems to work correctly.

Enable tab selection on page load with the url hash; added 'onRender' method for Spawner widgets - fire callback functions after widgets are rendered; other minor tweaks.

XNAT-4368: make ANY table with a header sortable by simply adding 'sortable' class to the <table> element or 'sort' to a <th> element.

XNAT-4373 Changed references to the XftStringUtils method IsAlphaNumericUnderscore() to isValidId().

XNAT-4318: removed 'loading' dialog since data is loaded so fast; also preserve tab selection on load and reload of admin page based on url hash.