* many graph/scatterplot fixes: 722, 882, 758, 886
* fix e2e test breakage caused by graph transform work
* convert webgl point shaders to use flags rather than explicit point size
* remove unused packages from dependencies
* fix typo in regl prop name
* factor common code into util helper file
* legibility tweaks
* change pan speed to 1 per issue #722
* correct handle scaling of graph when aspect ratio less than one
* add package lock
* add invert to our scale functions
* correctly transform to/from gl coordinates
* remove unused import
* fix naming of import
* update smoke tests
Bruce Martin