Add Jenkins Authentification and cordonbleu database Authentification

New features

• Display application version at the bottom of the home page
• Add Jenkins authentification
• Add authentification for cordonbleu mongodb if you specify a user and a password
• Avoid calling back application if required parameters are not specified for jenkins, sonar, cerberus

Fixes

• Correct getResult method of "SonarInfo.class.js" to use sonarUrl variable
• Sonar calls are now correctly executed from "server.js"
• Correct display of blocker and critical issue from Sonar in "index.html"
• Remove link to http://www.creative-tim.com in "index.html"
• Remove background image in "light-bootstrat-dashboard.js"