* 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
* add test for color by gene expression
gene expression and metadata color by are handled differently
* error on console.error
not just on thrown errors
Bruce Martin