Changed impact phrasing

Phrasing and ordering of 'impact' now consistent with the Maslow templates being used in the transition workshops
Update need.rb
Merge pull request #19 from bmwelby/patch-1

Changed impact phrasing
Fix mass test breakage from pull request #19.

(Merge commit 7b826109920f806569c000397a8465966e16c8c2.)