Update README
Update README

Add sonar as a tool for sputnik in the readme title

Change-Id: I53df772174a7b0478a992dc8a45c1cf844c8958b

julien-sobczak/maven-sonar-codereview-plugin,mihn/sputnik,alien11689/sputnik,alien11689/sputnik,zdanek/sputnik,mihn/sputnik,platan/sputnik,platan/sputnik,zdanek/sputnik,TouK/sputnik,TouK/sputnik,zdanek/sputnik,platan/sputnik,alien11689/sputnik,damianszczepanik/sputnik,TouK/sputnik,mirkosertic/sputnik,zdanek/sputnik,zdanek/sputnik,julien-sobczak/maven-sonar-codereview-plugin,alien11689/sputnik,mirkosertic/sputnik,mirkosertic/sputnik,damianszczepanik/sputnik,damianszczepanik/sputnik,platan/sputnik,julien-sobczak/maven-sonar-codereview-plugin,TouK/sputnik,platan/sputnik,TouK/sputnik,alien11689/sputnik,mirkosertic/sputnik,alien11689/sputnik,mihn/sputnik