Update inventory-window, voxel-glass, voxel-land - add stained glass panes

deathcap/inventory-window@f3519d3d369493276583118051bc74d2de7eacb4 0.3.1
deathcap/inventory-window@a00b29cc7dd9cc0bff4c94dd4f551af8bc2d029f Update to cube-icon ^0.2.0, allow side names for 3D cube icon. Update other deps
deathcap/inventory-window@4441a7663b76ceddd278c1ed12f877617e62f132 Add browserify transform, rename main
deathcap/voxel-glass@d792d54646eda72fb84e3d4a03744eaf57cfb6fa 0.1.0
deathcap/voxel-glass@f07c1c4dfcafdea9c47db405bb4248be887f9f53 Update screenshots
deathcap/voxel-glass@acf5b2423712cf61b56dacda7d9f12248d5790c5 Add clear glass pane, and craft glass blocks to get it
deathcap/voxel-glass@7d26257df6b656d35b9282563e701fe63519e0dc Add glass panes of all different colors. Closes deathcap/voxel-glass#2
deathcap/voxel-glass@0b4ee50d78c67783fc5e3b87cb4d794c3fa4a8fd Refactor glass pane item and block registration
deathcap/voxel-glass@4d181ca292c0433da75454455d75a9616a967f8c Place X or Z panes depending on player orientation. Closes deathcap/voxel-glass#1
deathcap/voxel-glass@63b7f84a730fcc7e45112d6d55db640ed7dc00bc Change cover to two glass panes, Z and X. Closes deathcap/voxel-glass#1
deathcap/voxel-land@ee6e1283c606f6c31917ce999de2382058ddcefd Replace deprecated getPackedBlockIndex with getBlockIndex

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