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: Ic299260f6f2b95bab0fd0d15733a2277bb323a50
Merge pull request #18 from manojgn/feature-dev

Bucketization reorganization