Reduced dynamic update spam
Removed snow exponential updates
Ensures snow has only 1 update per block
Dynamic materials
- @bergerkiller can you check these
- exclusive means that the block can only have 1 dynamic updates at a time
-- This is to prevent a huge number of updates building up
- Redstone circuits are the only blocks without the exclusive setting
Compatibility with API, fixed tallgrass placement and properties

Signed-off-by: Irmo van den Berge <bergerkiller@gmail.com>
Reduced world time updates - less beacon spam
Floating water rendering bug fix
- Sends the item in hand packet when spawning Human entities
Minor performance improvements for flat generator

Signed-off-by: Irmo van den Berge <bergerkiller@gmail.com>
Added hotbar scrolling.

Signed-off-by: aPunch <theapunch@yahoo.com>
Merge pull request #463 from aPunch/master

Hotbar Scrolling