added placeholder to headings
added placeholder to paragraphs
added placeholder to smallprint
added placeholder to cf
added placeholder to ui-list and block-list
added placeholder to btn
added placeholder to flag
added placeholder to icon
added placeholder to island
added placeholder to media
added placeholder to nav
added placeholder to table
added placeholder to tabs
added placeholder to grid
added placeholder to helpers
added fractions to widths
Merge branch 'develop'