Revert "Prepare for the 0.4.6.5 release"

This reverts commit c95372d0f0f9e1b78453b403dffd60cabff4ae71,
effectively bumping the version for development.
Match config file options order with the order in a dump
Update vs. monad transformer introduction in LambdaHack library
Let more items need identification
Update faction content vs engine changes
Update content and config wrt engine changes
Update wrt the client-server engine changes
Bump up thrown weapons now that monsters have more HP
Rename location to position
Make hidden doors very rare until AI searching fixed
Move hero names from UI to rules config
Add a temporary hack to let games be saved by the server alone
Update .cabal file wrt changes in engine
Update code wrt changes in engine
Update config files wrt changes in engine
Don't name a particular fixed hero "you"
Equip animals and robots with their specific AIs
Update config files wrt addition of game scenarios in engine
Depend on package 'keys'
Define the combat arena dungeon cave for skirmish and PvP scenarios