all: run gofmt and generate all packages

Changes made in dsp/fourier/internal/fftpack break the formatting used
there, so these are reverted. There will be complaints in CI.

[git-generate]
gofmt -w .
go generate gonum.org/v1/gonum/blas
go generate gonum.org/v1/gonum/blas/gonum
go generate gonum.org/v1/gonum/unit
go generate gonum.org/v1/gonum/unit/constant
go generate gonum.org/v1/gonum/graph/formats/dot
go generate gonum.org/v1/gonum/graph/formats/rdf
go generate gonum.org/v1/gonum/stat/card

git checkout -- dsp/fourier/internal/fftpack

graph/encoding/dot/doc.go

@@ -11,7 +11,7 @@
 //
 // DOT grammar: http://www.graphviz.org/doc/info/lang.html
 //
-// Attribute quoting
+// # Attribute quoting
 //
 // Attributes and IDs are quoted if needed during marshalling, to conform with
 // valid DOT syntax. Quoted IDs and attributes are unquoted during unmarshaling,