Tensor product 1d nodes & basis functions #2196

Job	Run time
Documentation	19m 19s
Tests for downstream project grudge	15m 25s
Tests for downstream project pytential	45m 30s
Tests for downstream project mirgecom	7s
Tests for downstream project mirgecom_examples	5s
Pytest Firedrake	12m 24s
Examples Conda Py3	11m 21s
Examples Firedrake	6m 3s
Mypy	8m 54s
Flake8	23s
Pylint	9m 0s
Pytest Conda Py3	31m 25s
	2h 39m 56s

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