Add sonar-scanner-cli

The SonarQube Scanner is recommended as the default launcher to analyze a
project with SonarQube. The SonarQube Scanner allows you to perform source code
analyzes without using tools such as Ant or Maven. The SonarQube platform is an
open source quality management platform, dedicated to continuously analyzing
and measuring the technical quality of source code, from project portfolio down
to the method level. With the SonarQube Scanner, and also a tool like Jenkins,
everyone can analyze all kinds of languages, not just Java.

WWW: http://docs.sonarqube.org/display/SCAN/Analyzing+with+SonarQube+Scanner
PR: 208667