added icons to first- and last-page buttons
upgraded enketo-core
single border between first and last page button
upgraded enketo-core
upgraded enketo-core
Merge pull request #693 from MartijnR/master

Upgraded enketo-core with bug fix for required file inputs loaded with value in edit mode, bug fix for widgets in cloned repeats, styling improvements
Merge pull request #694 from SEL-Columbia/master

bugfixes + styling