Revert back to sync xhr so loading data is less jaring
Revert back to sync xhr so loading data is less jaring

jeffposnick/chromium-dashboard,GoogleChrome/chromium-dashboard,mdittmer/chromium-dashboard,mdittmer/chromium-dashboard,mdittmer/chromium-dashboard,beaufortfrancois/chromium-dashboard,GoogleChrome/chromium-dashboard,GoogleChrome/chromium-dashboard,beaufortfrancois/chromium-dashboard,jeffposnick/chromium-dashboard,jeffposnick/chromium-dashboard,mdittmer/chromium-dashboard,modulexcite/chromium-dashboard,GoogleChrome/chromium-dashboard,beaufortfrancois/chromium-dashboard,beaufortfrancois/chromium-dashboard,beaufortfrancois/chromium-dashboard,modulexcite/chromium-dashboard,modulexcite/chromium-dashboard,jeffposnick/chromium-dashboard,mdittmer/chromium-dashboard,modulexcite/chromium-dashboard,GoogleChrome/chromium-dashboard,modulexcite/chromium-dashboard,jeffposnick/chromium-dashboard