Merge pull request #32 from jmeyer2k/master

Fixes a bug that caused tooltips to not clear after switching tabs.
Update miner.js

removing log spam on resource drop
foo
Update uiPlanetScreen.js

ignore scavenging items in crafting list
added sounds for dig and dig-found mineral
remove foo
Update Gruntfile.js

adding sounds to grunt process
Update index.html

adding audio tags
Update player.js

return state of mining, gathering and scavenging if items where found
Update main.js

adding audio triggers
Update Gruntfile.js
Update index.html

fixed sound path
resized earth
wow that was annoying
tooltips on items, with crafting cost and other information
Improved how the player removes oxygen.

Added oxygen to planet metadata and the player class now only removes
oxygen if there is no oxygen on the current planet.
Removed a logging line
Update uiPlanetScreen.js

bring back scavenge hack
Merge pull request #33 from Tuxinet/master

Improved how the player removes oxygen while breathing.
trying to make mercury have minerals / dig