* if hero doesn't have a spell book, he can buy one in a mage guild
* improvements in closing
* fixed crash on picking artifact
* added event message when picking artifact
* fixed problems with disappearing pikemen
* InfoWindow will be properly centered
* hero portraits again visible in PreGame
* fixed problems with handling Pandora's Box
* support for Campfires
* minor changes
* randomizing spells in towns
* fixed reading forbidden structures
* support for heroes starting in town garrisons
* hopefully fixed problems with wrong town defs (village/fort/capitol)
* moved CSpellHandler.* to VCMI_Lib (project files must be updated)
* redone reading spell info
* added missing features to the fort screen
* minor improvements
* partially done mage guild screen