extend cheatsheet generator to contain context based keybindings

pkg/gui/keybindings.go

@@ -13,7 +13,6 @@ type Binding struct {
 	Key         interface{} // FIXME: find out how to get `gocui.Key | rune`
 	Modifier    gocui.Modifier
 	Description string
-	panic       bool
 }
 
 // GetDisplayStrings returns the display string of a file
@@ -32,10 +31,6 @@ func (b *Binding) GetKey() string {
 		key = int(b.Key.(gocui.Key))
 	}
 
-	if b.panic {
-		panic(key)
-	}
-
 	// special keys
 	switch key {
 	case 27: