Added x scrolling wrapper to be used for large tables.
Made generic event organizer table template.
Implemented basic Order table.
Improved table display of boolean and choice values.
Switched lookup style to match ModelAdmin behavior.
Rewrote `RemoveFromOrderView` to:

1. Keep it in sync with current code,
2. make sure it verifies that the item to be deleted belongs
   to the current user.

This resolves #159.
Added preliminary event images to dashboard
Update gems.
Update dashboard images and links

moar links moar squares
Popovers now trigger on focus instead of click.
Simplify dashboard sidebar
Cleaned up organizer order summary view.
Linkified order codes in attendee table.
Minor docs reversion.
Made attendee/order table fields conditional on event data collection.
Converted column selection to multiple select field - more dense.
Minor tweaks to filter modal text.
Implemented basic FloppyFilterSet. Resolved #144.
Related: alex/django-filter#161
Bold Panel Titles

Closes #129
Tidied order summary tables
Display event start time

for #140