Imports of staticcheck command

PathSynopsis
golang.org/x/tools/go/analysisPackage analysis defines the interface between a modular static analysis and an analysis driver program.
honnef.co/go/tools/lintcmdPackage lintcmd implements the frontend of an analysis runner.
honnef.co/go/tools/simplePackage simple contains analyzes that simplify code.
honnef.co/go/tools/staticcheckPackage staticcheck contains analyzes that find bugs and performance issues.
honnef.co/go/tools/stylecheckPackage stylecheck contains analyzes that enforce style rules.
honnef.co/go/tools/unusedPackage unused contains code for finding unused code.
logPackage log implements a simple logging package.
osPackage os provides a platform-independent interface to operating system functionality.