Do fewer DOM queries/mods
Fix snappoint, debounce
Whitespace
Define breakpoints outside of fn
Remove debounce
Move breakpoints array
Interacive type get an iframe injected
Merge branch 'master' into snaps-minimise-dom-mods
Use snap-type to determine loading strategy
More functional
Merge pull request #4088 from guardian/snaps-minimise-dom-mods

Snaps: do less DOM work