Merge pull request #130 from racker/stacked-area-show-hide

feat (component.area) show/hide for area series (ready)
fix(d3-ext.size) Attempt to fix Firefox DOM exception bug with getBBox().
Merge pull request #139 from racker/fix/ff-dom-error

Fix Firefox dom exception.
chore(graph) Remove extendData.
fix(graph) Fix legend rendering bug.
test(graph-builder) Add test to cover ff bug.
Merge pull request #138 from racker/fix-graph-data

Fix graph data.
version bump 0.0.8
unminified version 0.0.8
updated changelog for v0.0.8
test(test.unit) Fixes tests breaking in IE
Merge pull request #141 from racker/fix-tests-breaking-in-ie

test(test.unit) Fixes tests breaking in IE
feat(data.collection) Add resolve method.
fix(graphBuilder) Fix stacked-area on legend show hide.