Display overlay text in the UI

We still have fonts to do, so this is very ugly, but it at least shows
*something* on the screen now.

internal/ui/selectors.go

@@ -2,7 +2,6 @@ package ui
 
 import (
 	"image"
-	"log"
 	"math"
 	"strconv"
 
@@ -51,7 +50,7 @@ func registerCheckbox(d *Driver, r *menus.Record) error {
 			baseSpr:   sprites[0], // unchecked
 			clickSpr:  sprites[2], // checked
 			frozenSpr: sprites[1],
-			hoverImpl: hoverImpl{text: r.Desc},
+			hoverImpl: hoverImpl{text: r.Text},
 		},
 		valueImpl: valueImpl{str: "0"},
 	}
@@ -125,8 +124,6 @@ func (s *slider) registerMouseClick() {
 	}
 
 	s.valueImpl.str = strconv.Itoa(value)
-	log.Printf("Slider value: %#v", s.valueImpl.str)
-	log.Printf("%#+v", s.steps)
 
 	s.clickImpl.registerMouseClick()
 }