Merge pull request #81 from nmccready/feature/issue_68

if the update to center is from the scope .. then we do not need ot update the scope again from the map
wrapping scope.clicks in  per @asabourin
trafficlayer added
merging r1-dev updates into this branch
Merge pull request #84 from nmccready/feature/trafficlayer

TrafficLayer
merge from upstrean r1-dev
Updates from my repository feature/many_markers