[TrivialPatches] Typos in README.md, fix and update CI, update projects list... (#840)

* update Example in README.md (#769)

* specify the color as the required arg (#777)

* command: fix typo in docstring of InheritedFlags (#779)

* add istio to the list of projects built with Cobra (#786)

* remove redundant 'else' (#806)

* add mattermost-server as a project built with Cobra (#824)

* update README.md (#826)

Fix the comment: consistent with others

* add uber/prototool as a project built with Cobra (#831)

* fix(ci): use go vet, update to Go 1.12, update shellcheck to v0.4.6 (#832)

* add go.mod and go.sum (#833)

* chore(travis): move 'diff' job to separate stage in Travis (#839)

* chore(travis): use language configuration list instead of explicit entries in matrix.include (#839)

* chore(travis): update shellcheck-docker to v0.6.0 (#839)

* update(README.md): separate projects by commas, instead of using a list

* chore: update viper to v1.3.2 and go-md2man to v1.0.10

* fix: convert CRLF to LF when comparing files

* use kyoh86/richgo to provide colored test outputs

command.go

@@ -817,13 +817,11 @@ func (c *Command) ExecuteC() (cmd *Command, err error) {
 	// overriding
 	c.InitDefaultHelpCmd()
 
-	var args []string
+	args := c.args
 
 	// Workaround FAIL with "go test -v" or "cobra.test -test.v", see #155
 	if c.args == nil && filepath.Base(os.Args[0]) != "cobra.test" {
 		args = os.Args[1:]
-	} else {
-		args = c.args
 	}
 
 	var flags []string
@@ -1335,7 +1333,7 @@ func (c *Command) LocalFlags() *flag.FlagSet {
 	return c.lflags
 }
 
-// InheritedFlags returns all flags which were inherited from parents commands.
+// InheritedFlags returns all flags which were inherited from parent commands.
 func (c *Command) InheritedFlags() *flag.FlagSet {
 	c.mergePersistentFlags()