Proof-of-concept d3 hierarchy-tree has been formed
- NOT COMMITTING (D3+D3.LAYOUT).JS
- Mangling the data to make it consumable by D3
- Processing doesn't return stringified JSON, but parsed Object

Signed-off-by: Soumya Deb <debloper@gmail.com>
Second level recursion of the Tree layout
- Needed change in svg form-factor
- Now shows the second level elements, post-processed
- JSON stringifier argument altered for better legibility

Signed-off-by: Soumya Deb <debloper@gmail.com>