Pick power added

Pick power is now taken into consideration when mining. Again.
new pick powers
Fixed Tooltip Fading Animation

Decreased Fade-out and Fade-in Time, so transitions between tooltips
will be faster and not overlap.
Small syntax error in Gruntfile
Added win/lose conditions

-If you win, you will SEE the exp you would gain.
-If you win, you see the loot you get (and you actually loot, as in, it
gets added to player).
-The loot is generic as of now...
-If you die, you don't get loot or *exp*...
-If you die, you can't mine, gather, scavenge or fight for 60 seconds.
-Hp regen is still in place during this time.
Fixed HP bug

You should no longer have 0 health / maxHealth.
Removed log statement
Added exp and levels

-Combatant and Miner have exp and level.
-Added gainExp and checkLevel functions.
-Level formula is 500 * 1.125^(level-1), as the doc says.
-TODO: add a display for this information.
-TODO: raise stats with levels?
Remove Border on rest modal
xp divs
xp divs
more xp divs