Merge pull request #1 from HabitRPG/contrib

Contrib branch
Rename wolf to wolf-base, add tiger hatching animations at 6x. Note: missing albino tiger.
Archives unused sprite sheets to keep things cleaner and less confusing.
Update images for Flying Pig, Lion, and Fox egg. Revised art.
Resizes some assets where possible to fit into 90 avatar box and adjusts CSS accordingly. Fixes some positioning in shop sprite img and css.
Merge branch 'Shaners-contrib'
grunt