item gen description fix, affixgroup/item list view improved

newly generated items will now have "" as their description, rather than using the base item description (from copying)
affixgroup view will now show badges with how many affixes are in each affixgroup
item view now sorts by base item
improved templated views

used <ul class="item-group"> for many lists
made most content 4 columns, offset by 4 columns
tweaked generated item description