Worldlist fixes
Add alphabeticaly sorted worldlists
Select world after creation
Move worldlist handling to separate file
Merge world selection of singleplayer/server tab
Remove some useless code
Add VoxelArea:position, VoxelArea:iter and VoxelArea:iterp
Disallow the name 'singleplayer' in a multiplayer server
Clean up bumpmap code a bit
Fix serverdescription and name not beeing saved to local serverlist
Fix public serverlist checkbox overlaying delete button
Remove "Delete" button if public serverlist is shown
Fix missing escape of servername when showing public serverlist
Fix crash if there are no favorites at all
Remove lots of debug output from modmgr
Fix RUN_IN_PLACE=0 mod install (now mods are saved in user folder in that case)
Fix text of field element not unescaped correctly