cRankManager: Added GetAllPlayers() and GetPlayerName()
Updated api documentation.
cRankManager: Added ClearPlayerRanks()
Fixed SetDefaultRank() return value.
Merge pull request #1479 from SphinxC0re/master

Added torches placeable on upside-down-halfslabs
Merge branch 'master' into Ranks
Renamed GetAllPlayers() to GetAllPlayerUUIDs()
BlockStone: drop the right cobblestone on onBreak().

Signed-off-by: netchip <w00tc0d3@outlook.com>
Tabs -> spaces
BlockStone.h: fix the codestyle
Merge pull request #1480 from w00tc0d3/work

BlockStone: drop the right cobblestone on onBreak().
Fixed a typo in the description.
Merge pull request #1472 from mc-server/Ranks

Added more cRankManager functions
Fixed codestyle again.
QtBiomeVisualiser: Seed is read properly.
World: Fixed chunk generation by plugins.

ChunkWorx was broken, it was trying to generate chunks that were not properly marked as InQueue.
Style fixes.
Updated the Core.
RankMgr: GetAllPlayers() returns players sorted by name.
Updated Core.