* Introduce jsbeautifyrc and sass linter for automated unified scss code syntax
* Introduce new z-index scss file to manage different z-index correctly
* Use beautify tool for scss files and sass lint fix all scss files
* Add vscode folder to gitignore
* Add more new files to global gitignore
* Refactor scss files and rework custom styles implementation strategy
* Remove outdated ie7 styles
* Fix typo of facebook input token include
* Fix apache licences for new lint files
* Splitt massive cloudstack.scss into many modular and smaller files
* Refactor scss language files
* Change and move apache licence css file name
