Started implementing units gathering resources

having trouble starting the mining process though
still working

villager will randomly leave after collecting resources
Merge remote-tracking branch 'origin/master' into resource-gathering
Preparing for merge
Merging from master
Quick fix
Merge remote-tracking branch 'origin/master' into resource-gathering
Finished up resource gathering
Re-enabled AI
getting ready to merge
Merge pull request #30 from Jbtyson/resource-gathering

Resource gathering