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
Merge pull request #9 from vickychijwani/dynamic-split-view

Dynamically-expanding split-view on the Resources panel.
Shrink toolbar, fix a bug with vertical docking which causes the "More" dropdown at the right end of the toolbar to appear off the right edge of the screen.
Merge pull request #13 from vickychijwani/toolbar

Toolbar customizations
merged things from DockToRight in that were cool and good but not everything