Bumping into an unseen wall reported "a wall" instead of "solid stone",
even though you could not know it was a wall when looking at it.
Use the same method when looking at glyphs on the map instead of
the map location type.
Fixes#318
For the grid of extended commands used to pick one after typing "#",
show a command's description if the mouse hovers over its button.
For once something with Qt was actually easy.
I accidentally swapped the covetous monsters teleport to stairs to heal
but instead of changing it back like it was, now make those monsters
teleport to either upstairs or downstairs - some of them will go up,
others go down.
... you will also get a message when a seen stinking cloud
or the one surrounding the hero dissipates.
Original feature comes from Fourk, but this version (with some
minor changes) comes from xnethack by copperwater <aosdict@gmail.com>
