XOM 1.4.6
Fix the rectangle rendering, the scaling was not correct.
Add a background color option to the TextElement.
Merge META-INF/services files when shading the bundle jar
Add a connvience functions to obtain the x/y centers of a bounds object.
Use the correct table for MOLfile isotope deltas.
Remove Assertions.assertAll
Selecting a container in the "atom/bond selection" selects all atoms/bonds it in.