Enhancements

[jpivarski]

Version 1.1.0.

• Added PlottingChain.heatmap for two-dimensional histograms.
• Added a grid function for arranging plots in a rectangular grid.
• Fixed Combination classes (overlay, beside, below, and now grid) to be composable.
• Fixed #24: fill can accept a mix of array and scalar data.
• Fixed #23: named constants (like pi, e, inf, nan) are only assumed to be constants if not specified in fill.
• Removed dependency on the Meta library.