Reorganized the JS end of the rendering code.
Updated how designs are created.
Updated can_encodes for some encodings.
Rewrote the composition and rendering and languages code.
Worked out various runtime errors in the new code.
Updated data spec
Fixed how database and table parameters were being passed around.
Added ordering info
Re-ordered ordinal ordering.
Removed some bugs.
Fixed some bugs with color merging and merging plots with no axes.