change y/m/d to ptk/stk
use hook_insert to populate new data_snaphots table when a data_snapshot node is created
use hook_update to update data_snapshots table whenever data_snapshot node is edited
inject list of available snapshots into JS Drupal.settings.data_snapshots.snapshots
add slider actions to change image
add a few files to previous commit
more slider programming
reorganizes project

Moves most files used for development to the dev directory and
moves template files to the templates directory. Leaves the redo
script at the top level for convience.