Introduced Content, ContentIndices, no more integer ids hardcoded, common refactor

src/voxels/Block.cpp

@@ -1,8 +1,6 @@
 #include "Block.h"
 
-Block* Block::blocks[256];
-
-Block::Block(unsigned int id, int texture) : id(id),
+Block::Block(std::string name, int texture) : name(name),
 		textureFaces{texture,texture,texture,texture,texture,texture},
 		emission{0,0,0}{
 }