work on allies getting out of players way
more work on ally collision ai
refactor of ally collision ai
add engine setting to disable ally collision ai
hero not blocked by allies

improved way of walking though allies which wont affect any other entity
types, including an engine setting to disable it
ally combat overrides collision ai

fixes #61
enable full collision by default
Merge pull request #63 from clintbellanger/master

take latest changes from main project
manual merge of main branch
Add Credits button to Title Menu
Add credits.txt
Fix memory leaks
Fix another memory leak
Allow text wrapping in CutScenes
Don't skip credits line
Merge pull request #620 from igorko/master

Add Credits button to Title Menu

I'll merge this for now, we still need to discuss how we want to have the credits of different mods be displayed.
Navigation between menus
Clear slot focus on menu change
Add note to Config Menu for no_mouse option
Skip navigation logic if NO_MOUSE is false