Updated project files for MSVC and automake (I hope I didn't break it)
* Refactored pathfinding and integrated into CGameState.
* Fixed issues with wrong calculating movement cost at server side
* Hero infowindow won't be redrawed each time experience changes
* Removed memory leaks with CPaths-s
* Support for Sign objects
* Bumped savegame formt version to ensure old not compatible saves won't be readed
* Spellscrolls will disappear on visit (won't be treated as spellbooks anymore)
* better handling disposed/predefined heroes
* blocked scrolling adventure map with mouse when left ctrl is pressed
* scholar will be accessible from the top
* partially done tavern and hero recruitment
* fixed bug with formation button in hero window
* unified hero initialization code
* minor changes
For 0.63c dev release
* events won't be shown and won't block movement
* casualties among hero army and neutral creatures are saved
* it's possible to build lighthouse
* increased thread-safety (may prevent some crashes)
* minor fixes
* creatures placeholders work properly
* abandoned mine won't show message with mithril
* it's possible to build glyph of fear in fortress
* emissaries won't be used in random creature drawing (they have no correct def)
* fixed problem with moving two-hex creatures one tile back
* added confirmation window when hero is dismissed
* finished mage guild screen
* fixed some crashbugs with hero window on adventure interface
* fixed giving wrong war machines on start
* added blacksmith functionality
* 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
