Move btn-bg styles to their own file for organization
Render parents with same font-size as other fields
Prevent resetting resultsCollection to save render

Resetting app.resultsCollection forces a full re-render of the job list,
which means two full list renders on start up of the app. Navigating to
the index only needs to reset the detailsCollection and remove
highlights from the list. The detailsCollection was already being reset,
and the highlight is moved in this commit to the reset event in the
JobsCollectionView.
Remove redundant font-family declarations

The font families are already properly inherited; these
declarations were redundant.
Move .count colors next to core .count declaration

... and remove unneeded specificity. Use subclassing.
Move :hover style to root .item, :hover unneeded
Use .span3 to get 12-col layout instead of 11
JSHint functor.js
Remove unused imports in details.js
Remove box-shadow, opacity, and :hover for more FPS

If the cursor reseted over the job names, FPS was cut in half to render
the left border on scroll.

Removing box-shadow and moving opacity to background-color alpha layer
added 5-6 FPS scrolling in Chrome 31 on OS X.
Upgrade jQuery from 1.9.1 to 1.10.2

This kills a warning message generated in Chrome by 1.9.1 and brings
performance from 1.10.