Fix #17 (Deprecate .pull-left and .pull-right for dropdown menus and use .dropdown-menu-left and .dropdown-menu-right instead).
Merge branch 'master' of https://github.com/morteza/bootstrap-rtl

* 'master' of https://github.com/morteza/bootstrap-rtl:
  Fix #17 (Depricate .pull-left and .pull-right for dropdown menus and use .dropdown-menu-left and .dropdown-menu-right instead).