add Library Scan (with image scan) (#829)

* add static container image scan

* server has many staticContainers

* use go module

* for staticContainer

* fix typo

* fix setErrs error

* change name : StaticContainer -> Image

* add scan -images-only flag

* fix makefile

* fix makefile for go module

* use rpmcmd instead of rpm

* add scrutinizer.yml

* change scrutinizer.yml

* fix scrutinizer.yml

* fix scrutinizer.yml

* fix scrutinizer.yml

* fix scrutinizer.yml

* delete scrutinizer

* add report test

* add sourcePackages and Arch

* fix for sider

* fix staticContainer -> image

* init scan library

* add library scan for servers

* fix tui bug

* fix lint error

* divide WpPackageFixStats and LibraryPackageFixedIns

* fix error

* Delete libManager_test.go

* stop use alpine os if err occurred in container

* merge upstream/master

* Delete libManager.go

* update goval-dictionary

* fix go.mod

* update Readme

* add feature : auto detect lockfiles

commands/scan.go

@@ -96,7 +96,10 @@ func (p *ScanCmd) SetFlags(f *flag.FlagSet) {
 		"Use SSH options specified in ssh_config preferentially")
 
 	f.BoolVar(&c.Conf.ContainersOnly, "containers-only", false,
-		"Scan containers only. Default: Scan both of hosts and containers")
+		"Scan running containers only. Default: Scan both of hosts and running containers")
+
+	f.BoolVar(&c.Conf.ImagesOnly, "images-only", false,
+		"Scan container images only. Default: Scan both of hosts and images")
 
 	f.BoolVar(&c.Conf.SkipBroken, "skip-broken", false,
 		"[For CentOS] yum update changelog with --skip-broken option")