added logo to right side of header bar
removed _wells css partial
general css fixes, mostly for layout elements, still more reorganization needs to be done
added sample tabs to sandbox, replaced LatoBlack with Lato + font weight 600 throughout
added form elements and buttons to sandbox for skip logic section of form builder
merged styling and master
Merge branch 'tp-535' into styling
added tab switching css class changes for settings navigation
added example class name on card__settings__content
styling for tabs of question settings
hover effects for card buttons in sandbox
group settings are displaying (as in row settings)
plus lots of misc bug fixes from implementing groups
fixed small issue with + new question button, bolded group label
css reorganization: merged styles for modals + iframes in one file, merged buttons, merged top menu and header, moved info list into a page for form list styles
cleanups to icons and buttons
Merge branch 'styling' into group-settings
scss changes
* split out form_builder.scss into multiple partials
* partials located in stylesheets/partials/form_builder
* marking some class names for deletion
* using BEM when possible
removed _xlformbuilder_styles page
* sorted the rows into partials/form_builder
* misc text changes
* bem css class updates
removing old file import
fixes for settings and merging styling branch