Record background divs, broken
Merge branch 'recback'
Fix record background positioning
Add and use new mouseDown directive in timeline
record styling
Ensure timeline point selection works
Generalize mouse drags to within a larger region
Remove stray console.log
Redo timeline positioning styles, eliminate crazy heights

Add handles preparing for more events
Basic asset repositioning on timeline
Record placement editing on timeline
Upgrade angularjs to 1.3.1