Implemented vanilla-like fluid simulator
Add data backsending, when the Client interacts a Block and the Interact is cancelled.
Set tnt step sound to step.grass
Add SendBlockTo to cWorldInterface
Broadcast the Equipped Item, if the Slot is changed.
Merge remote-tracking branch 'xdot/master'
Fix comment
Added cBlockArea serialization to string.

Fixes #665.
APIDump: Documented cBlockArea string-serialization functions.
Debuggers: Added a test of the cBlockArea string-serialization.
Rewound PolarSSL to master branch.

The current Devel branch fails to build on RasPi.
Fixed water/lava interaction
Merge pull request #760 from Howaner/GlobalFixes

Add data backsending, when the Client interacts a Block and the Interact...
Fixed a typo.
Merge pull request #763 from Howaner/BlockEntitys

Add Flower Pots
Enabled -ffast-math
Only use fast-math in exes
Fixed clang compile
Merge pull request #765 from worktycho/fastmath

Enabled -ffast-math
Added some comments