include asset sources from vendor

src/assets/web/less/app.less

-@import "bootstrap";
\ No newline at end of file
+@import "../../../../vendor/bower/bootstrap/less/bootstrap";

src/assets/web/less/bootstrap.less

-@bootstrap-path: "../../../../vendor/bower/bootstrap/less";
-
-// Customized version
-@import "variables";
-
-// Core variables and mixins
-@import "@{bootstrap-path}/mixins.less";
-
-// Reset and dependencies
-@import "@{bootstrap-path}/normalize.less";
-@import "@{bootstrap-path}/print.less";
-@import "@{bootstrap-path}/glyphicons.less";
-
-// Core CSS
-@import "@{bootstrap-path}/scaffolding.less";
-@import "@{bootstrap-path}/type.less";
-@import "@{bootstrap-path}/code.less";
-@import "@{bootstrap-path}/grid.less";
-@import "@{bootstrap-path}/tables.less";
-@import "@{bootstrap-path}/forms.less";
-@import "@{bootstrap-path}/buttons.less";
-
-// Components
-@import "@{bootstrap-path}/component-animations.less";
-@import "@{bootstrap-path}/dropdowns.less";
-@import "@{bootstrap-path}/button-groups.less";
-@import "@{bootstrap-path}/input-groups.less";
-@import "@{bootstrap-path}/navs.less";
-@import "@{bootstrap-path}/navbar.less";
-@import "@{bootstrap-path}/breadcrumbs.less";
-@import "@{bootstrap-path}/pagination.less";
-@import "@{bootstrap-path}/pager.less";
-@import "@{bootstrap-path}/labels.less";
-@import "@{bootstrap-path}/badges.less";
-@import "@{bootstrap-path}/jumbotron.less";
-@import "@{bootstrap-path}/thumbnails.less";
-@import "@{bootstrap-path}/alerts.less";
-@import "@{bootstrap-path}/progress-bars.less";
-@import "@{bootstrap-path}/media.less";
-@import "@{bootstrap-path}/list-group.less";
-@import "@{bootstrap-path}/panels.less";
-@import "@{bootstrap-path}/responsive-embed.less";
-@import "@{bootstrap-path}/wells.less";
-@import "@{bootstrap-path}/close.less";
-
-// Components w/ JavaScript
-@import "@{bootstrap-path}/modals.less";
-@import "@{bootstrap-path}/tooltip.less";
-@import "@{bootstrap-path}/popovers.less";
-@import "@{bootstrap-path}/carousel.less";
-
-// Utility classes
-@import "@{bootstrap-path}/utilities.less";
-@import "@{bootstrap-path}/responsive-utilities.less";