Gearbox and A.C.T.

Changed name of storage cell "casing" to "housing" to conform to AE.
Fixes #97: NEI Shift+Click in the A.C.T. now includes ore dictionary
matches, this also fixes shift-crafting not matching properly.
A.C.T. Search bar opens with focus again.
Created model for gearboxes.
Fixed an A.C.T crafting bug.
A.C.T. search bar can be focused with right-click.