ENH: linalg: Add a function to compute the inverse of a Pascal matrix.
DOC: linalg: Add invpascal to the linalg package docstring and 0.16.0 release notes.
MAINT: linalg: Whitespace alignment.
Merge pull request #4012 from WarrenWeckesser/enh-invpascal

ENH: linalg: Add a function to compute the inverse of a Pascal matrix.