Another partial redesign of WebAdmin

Done due to strong persuasion from FakeTruth and xoft.
Updated MagicCarpet to use new API [SEE DESC]

Fixed non-teleportation upon falling through carpet due to use of
deprecated function.
Fixed spam of console upon falling through carpet.
Added descriptive upon-enable message.
Merge branch 'master' of github.com:tigerw/MCServer into tigerw-master

Conflicts:
	MCServer/webadmin/template.html