Normalizing test inputs and associated elelements to height 36px
Making default radio and checkbox size to 36px
Merge branch 'master' of https://github.com/Financial-Times/o-ft-forms into element-heights

Conflicts:
	src/scss/_mixins.scss
Make big field size the default
Update demos to use --text modifier class
Add small modifier class
Fix alignment of select trigger icon
Update radio button and checkbox demos
Fixing master merge conflicts
Removing redundant classes from demo markup
Fixing classname typo in demo
Merge pull request #71 from Financial-Times/element-heights

Element heights