feat(graphs.graph) Adds default color for components
Oter changes
test(graphs.graph) Adds test for setDefaultColor
feat(components) Adds default 'type' to components
test(components.line) Fixes a breaking test
refactor(graphs.graph) Adds colorPalette as a config value.
refactor(graphs.graph) Moving call to set default color to addComponent method
Merge pull request #56 from racker/feat-component-default-color

feat(graphs.graph) Adds default color for components