More work on the minimap, interface changes, fixed direction controls, fixed reseting, fixed some draw things (needs some more work to finish).
Fixed a bug in the battle list causing Battle.onFollow(creature) to execute when there was no follow.
* Split game module into game and game_interface
* Move core_lib to corelib
* Move miniwindow to corelib
* Introduce init.lua script for initializing the client, giving much more flexibility
* OTClient is no longer Application derived and is much simpler
* style adjustments, now window and button style
* fix bug when logging on a tile with too many creatures
* remove deprecated onLogin and onLogout events