Merge pull request #6 from vickychijwani/reorganize-only-if-needed

Re-organize panels only if Devtools is indeed docked to the right side.
Merge pull request #7 from vickychijwani/minor-panel-layout

Vertical layout for Resources, Audits, and Profiles panels.
Improved Network panel to retain data table

Data table is usually hidden when a resource is clicked -- this commit
keeps the data in the table visible so its information can still be 
read while looking at a resource's details
Dynamically-expanding split-view on the Resources panel.

The small half of the split-view on the Resources panel expands from 20% to 40% when the mouse is hovering over it (and of course contracts again on mouseout).

Conflicts:
	Custom.css