Bucketization reorganization
- Added the ManageCrossFilters utility to manage the crossfilters used by the different components
- Changes to the chart options display
- More feature fixes for bucketization

Change-Id: Iaf0727a1d2a811003a5745bd4c60a8be670320ba
Merge pull request #15 from manojgn/feature-dev

Bucketization reorganization