Preliminary work on gregtech-1.7 v5
- Renamed base directory to reflect new mod base-name: gregtech
- Re-enabled existing Granites: Moved tile.BlockMetaID_Stone1/##.png to iconsets/GRANITE_{COLOR}_{KIND}_{STYLE}.png
Merge pull request #3 from leagris/master

Preliminary work on gregtech-1.7 v5