Merge pull request #5 from jettisonjoe/master

Cleans up BC stringifying for selectors.
Displays user's selected guess
Pep 8 linting!
Gabby did some things

Merge branch 'master' of https://github.com/gesso15/HtH
Fixed hello.html to toggle hint visiblity.
Shows/hides the Submit button and Next Artifact button so that they can only be pressed at the appropriate time.
game knows when it is over.
Game shows session summary at the end. No points yet.
Hooked up replay button.
Added check for game in session cookie
Empty user_guess div instead of hide it.
Fixed search to use "not null" for prod date filter.

Not null term is [* TO *]
html/css improvements, imgs added
Merge branch 'master' of https://github.com/gesso15/HtH
Added a function to get a list of distinct random cards.
Merging Jessicas branch and mine to master

Merge branch 'master' of https://github.com/gesso15/HtH
Added ids and fixed jquery selectors.
Updates timeline interface to pin style.