Industrial Craft 2 Experimental (IC2) v138 update

Industrial Craft 2 Experimental (IC2) v2.0.138 (9/5/2013) update
-README.md
-mods
-config

Changes
#138 (Sep 5, 2013 5:38:51 PM)
Adjusted the Tiers of Electric Tools, as there is the new Tier 2 pushing
everything else one Tier up. — gregoriustech / detail