bug(graphs.graph) Fixes inconsistencies with the min/max/avg values.
feat(graphs.graph) Adds domainIntervalUnit to the defaults config
feat(data.collection) Removing logic to maintain extents state.
fix(graphs.graph) Fixed logic to calculate min and mac
Merge pull request #87 from racker/data-refactor

bug(graphs.graph) Fixes inconsistencies with the min/max/avg values and refactored graph.js(ready)