[ctioga2] fix target size selection for ct2-make-movie
[ctioga2] inline Ruby code
[ctioga2] a function to run Ruby code from a separate file
[ctioga2] don't fail on completely empty curves
[ctioga2] use pdftoppm for rasterization of tests
[ctioga2] test for image drawing
[ctioga2] fix aspect ratio of images
[ctioga2] automated tests for some aspects of the new file format
[ctioga2] fix text box size and provide an "auto" sizing mechanism
[ctioga2] aliases for style elements
[ctioga2] and their use to simplify the expression of text alignment (including tests)
[ctioga2] text align for boxes with text width
[ctioga2] title is now of auto width by default