add uikit addons Accordion, Dotnav, Slidenav, Thumbnailnav
prevent default js event on modal trigger click, when trigger is an anchor
updated docs - modal
Merge branch 'master' of github.com:uikit/uikit
new add-on cleanup
Fixed page jumping to top for modal component
#310
Merge branch 'master' of github.com:uikit/uikit
bower.json updated
Fixes #309
Fixes #258
Fixes #304
cleanup