"readable" Hawaiian shirt designs (github pr#407 by entrez)
permit blind feeling for objects on trap door and fix up msgs when dropping
on trapdoor (pr#574 by entrez)
-m-prefix movement into warning symbol (pr #575 by entrez)
+travel from 'interesting position' (pr #575 by entrez)
running on ice sent hero in weird directions (pr #588 by copperwater)
delete extra lines in Guidebook.mn (pr #590 by argrath)
Supply missing changes on Guidebook.tex (pr #591 by argrath)