Upgrade to SBT 0.7.5.
Upgrade to SBT 0.7.5.

--HG--
extra : convert_revision : 5462afdc60130301c6644a1e0bfc47a6db550890

bramd/spiel,beqabeqa473/Asra,beqabeqa473/Asra,bramd/spiel,beqabeqa473/Asra,bramd/spiel