* fix button state on trace navigation (seanbrookes)

 * adjust the alignment of the header controls (seanbrookes)

 * reset file load order after cleaning up deps (seanbrookes)

 * align with styleguide (seanbrookes)

 * use global jQuery and d3 in tracing modules (Ryan Graham)

 * remove tracing feature flag (seanbrookes)

 * add favicon.ico to Arc's root static path (Ryan Graham)

 * process-manager: pass --base explicitly (Sam Roberts)

 * add nicer graphic to tracing init view (seanbrookes)

 * change default icon to use hover icon (Anthony Ettinger)