trivial(example) Added debugging code.
feat(core.array) Added contains() function to array helper.
fix(component.overlay) Fixed bug in overlay that prevented sub-components from being updated.
fix(comonents.legend) Allow legend key color config to be specified by a function.
fix(components.*) Added destroy() method to all components.
feat(graphs.graph) Public functions to removeData() and removeComponent().
fix(data.collection) Modified remove() to accept array too.
fix() Merge conflicts.
refactor(components.axis) Removed old id property.
Merge pull request #55 from racker/usability-bug-fixes

Usability bug fixes.