first commit for likert widget (functional css but need to manipulate DOM still)
logic fix for css-only widgets
added change for .option-wrapper to mediagridpicker widget, simplified mediagridpicker widget
changes for .option-wrapper addition
updated likert-item for use with .option-wrapper
made jsbeatify happy with empty file
fix mobile view of Likert widget, fix hiding start and end of Likert line in Opera
layout fixes
layout fix
eliminate issue when both appearance=horizontal and appearance=likert are used
add likert item to default config
fix for select picker and table column headings related to option-wrapper
Merge branch 'likert' of https://github.com/MartijnR/enketo-core