* Added shortcodes for previously hard coded stuff and updated template
* Converted shortcodes to shortcode class - real PHP, yay!
* Removed 'renderplain' option - nothing else worked like this
* admin: first cut of the new maintenance options
* admin: started item filter form (unfinished by a long way)
* admim: removed a lot of inline css classes/styles in preperation for the new admin way of doing things
* Start of code tidy up, including creation of some handler classes
* Fixed some bugs found along the way
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