Update voxel-mesher, voxel-shader, voxel-stitch - wireframe and cube side refactor

deathcap/voxel-stitch@996b0240b10052a0694591275b6f9ca0e796c4fd Move texture name expansion to new cube-side-array module. Closes https://github.com/deathcap/voxel-mesher/issues/2
deathcap/voxel-mesher@0b8e2542f527535e715de0fb24f54563d0d4fe82 Emit 'meshed' event, wire mesh creation to voxel-wireframe. Closes deathcap/voxel-mesher#3
deathcap/voxel-mesher@3bd93426fc2e6d6c91ed88d7a91dd0baa83aae41 Remove unnecessary plugin code
deathcap/voxel-mesher@0ac12f8d3b042a4d57102c8c55839c1560c9184b Revert "Remove plugin, export createVoxelMesh directly"
deathcap/voxel-mesher@e69b5fa61f22229806da1f3b25b98361c2b5e2eb Fix reversed chunk shape multiplication
deathcap/voxel-shader@0cbaded092e01380fc49cf5de85ef5f4eab52e2d Get meshes from game.voxels.meshes if available
deathcap/voxel-shader@74c6a74427429377badb5fcf5032738c7f82c835 Fix markdown link

Commit message generated by https://github.com/deathcap/lmno-cl
Update cameraPosition, cameraVector to use game-shell-fps-camera
playerPosition() returns cameraPosition(), for now
Re-enable async chunk gen, start unpaused, and generate chunks even without game.controls