change in/out lightbox transition
stub out We/Feed feature update
add image svgs
add styles for activity items
style tweaks
add svg assets
minor layout tweaks
move menu forward to 5 in zspace
Merge branch 'development' into feature/card-sets

Conflicts:
	src/app/actions/NavActions.coffee
	src/app/constants/PeggConstants.coffee
	src/app/stores/AppStateStore.coffee
	src/app/views/we/WeActivityItemView.coffee