Initial clone from friendsmash_social to friendsmash_social_persistence
Added Parse SDK, Initialized with Application ID and JS Key
Added moment.js for parsing dates, added Parse User auth call

Signed-off-by: Connor Treacy <connor@fb.com>
Updates to renderWelcome to get coin and bomb data from Parse
Updated game end logic to save Parse User as required
Moved some Parse functions and SDK keys to persistence.js
Added method for setting default values