Removed loggging from server
Moved Column Cart to its own view
Added and styled the column cart box
Rebuild database model and databases collection to be more useful
Sort data sets from name or source
Clicking add for vieiwng adds column to cart. Clicking clear removes all added columns
Clicking GO in the cart pushes the selected column info to the datsy model, then loads the /visualization route
Merge pull request #20 from RyanMG/master

Finished connecting the exploration to the visualization