Remove rendering of other glass blocks' sides.

http://puu.sh/aZ2zd/7bbe5951ee.jpg
Merge pull request #129 from Vexatos/master-origin

Localized butterfly names, tree names and fixed custom bee names, added custom tree names, fixed butterfly species mistakes and fixed spectacles not rendering properly
Merge pull request #131 from oitsjustjose/master

Remove rendering of other glass blocks' sides.
Added missing import