Add panning behavoir to browser graph results.

Create huge rect to cover whole svg.
Track zoom behavior and move container.
Turn off mousewheel zooming.
Browser: Make Movie Guide init query graph nicer.

Return a graph of 10 nodes.
Merge pull request #2934 from oskarhane/svg_pan

Browser: Add panning behavior to graph results
Merge pull request #2935 from oskarhane/movie_guide_return

Browser: Make Movie Guide init query return a nicer graph.
Support for upgrading from 1.9 and 2.0

- added support for reading 1.9 and 2.0 log files
- fix: PhysicalLogNeoCommandReaderV0 should parse 1.9 commands