Move functional test to folder.
Image config has a default text attribute. It will be printed in the image.
Improve test.
Starting with font size, for writing image size.
Improving font size calculation.
Font size must respect height.
refactor: process text values in a function.
Calculating position of the text box. It should be centered.
Font: use Ubuntu condensed instead of Arial. Problems with font size in GD; looks like resolution is 96 instead of 72 (hack needed).
Removing commented code.