Applied fix to documentation.go for contribution HTML_URL.

Added period to documentation templates sentences.
Added logic to documentation.go to fix broken links for godoc in sub-packages.
Fix coding style to conform to golang idiomatic practice.
Applied fix to access main godocs in tools and test data.
Generated new documents using tools.

doc/coding_style.md

@@ -20,7 +20,6 @@ func SendHTTPRequest(method, path string, headers map[string]string, body io.Rea
 	}
 
 	req, err := http.NewRequest(method, path, body)
-
 	if err != nil {
 		return "", err
 	}