Fixes for Javascript
Added accordion navigation
Merge branch 'iss13' into iss14
Added one item exclude
Must keep items code is working
Added greyscale and toggled nav
Last fixes / refactoring

Closes #14
Merge branch 'iss14'
Added test string externalization
Tags returned correctly (internally)
Tags now actually returned correctly and printed out with relevant item ids
Removed unnecessary javascript vars
Javascript correctly catches all item ids to show/hide
Tagging works for filtering; icons don't reflect status
Removed code for CSS updates (small bug)
Icons work correctly for tags
added show all button

closes #29
closes #18
Merge branch 'iss29'
Cleaned up Thing object

closes #41
Merge branch 'iss41'