restyling chapter title to avoid scrollbar issues
vertical centering
improvements to level execution animation
terminal-esque intro sequence
small improvements; using the output window less
some styling fixes
massive improvements to scrolling display, but trees level still needs work
fixed forest level, scrolling is now working everywhere
Merge branch 'master' into look-n-feel
Merge branch 'master' into look-n-feel
better error display
better death display
Merge pull request #19 from AlexNisnevich/look-n-feel

Merging look-n-feel