[WIP] First pass of global alerts
Tweak class naming and add KSS references
Add mobile view tweaks to global alert
Global alert label now sits on its own line
Update global-alert KSS
Merge pull request #81 from moneyadviceservice/global-alerts

New Global alerts component
Add new typography tools to typeplate file
Add em function to typeplate
Adjust font size mixing
Add typeplate to lib index file
Restructure type files
Move old type to new stylesheet
Add new class name option for intro 'standfirst'
Adjust smallprint style
Adjust base typography styles
Add font sizes to typeplate
Add font settings to variables
Adjust typography in dough components