[LESS] Parse variable declarations using AST of Gonzales@4
[LESS] Parse variable declarations using AST of Gonzales@4

junaidrsd/sc5-styleguide,SC5/sc5-styleguide,patriziosotgiu/sc5-styleguide,patriziosotgiu/sc5-styleguide,varya/sc5-styleguide,junaidrsd/sc5-styleguide,SC5/sc5-styleguide,varya/sc5-styleguide