Refactoring previous commit

Refactored method from
https://github.com/Zerokyuuni/TinkersSteelworks/commit/8eb2be81f5f7b2b718c00b7f32a08e616196886a
All glass blocks are now added through this array, which obtains
presets, config entries, and oredict entries
Resolves issue where only vanilla glass was valid for top/bottom layers