Split InitialiseWorld to enable access WorldEntity during world gen
Merge pull request #879 from msteiger/develop

Split InitialiseWorld to enable access WorldEntity during world gen
Implemented tooltip support.
Fixed an issue with dropped items attempting to create a mesh even if the item did not have an icon.
Merge branch 'develop' of git@github.com:MovingBlocks/Terasology.git into develop
Added support for blocks upon destruction automatically spewing their contents.
Added additional events to query and cancel delayed actions.
Fixing rendering of non-16x16 icons, both in inventory, as well as in mesh form.
Fixing rendering of dropped blocks and allowing alpha channel on item Meshes.