Revert "Merge pull request #262 from codingtwinky/master"

This reverts commit bea08a5ac034a86b3205bca4065ad2dd2fd7592a, reversing
changes made to 759b12ee9d8e8843321e9aabf87802ff2747aabb.
Fix node-div position for large screens
Line break to force space between graph-actions
Update raven.js
Better errors for unhandled backend responses
Merge remote-tracking branch 'upstream/master'
Using observable for adding/removing class