helpscreen formatting

char screen: fix level showing experience

Message on stairs

Add character information screen

fix: examine command resulting in eat

See diagonally

Change stairs up/down chars

line formatting

fix broken Wear command and darken floor

Add messages when can't move that direction and when waiting

Comments

Use impassable rock instead of diggable walls

Remove goal message from help screen

Add deploy/run instructions to readme

Merge branch 'master' of https://github.com/pabrams/jsrogue