[Toaster] [review-request] michaelw/add-toaster-ajax-handlers

[Michael Wood]

commit b0b95e3841595ee7a08dddd5653c525ec1293c2d
Author: Michael Wood <michael.g.wood at intel.com>
Date:   Thu May 21 18:45:44 2015 +0100

     bitbake: toaster: Add global ajaxError handler

     If any ajax calls fail and debug is enabled log the error to the 
console.

     Signed-off-by: Michael Wood <michael.g.wood at intel.com>

commit dd92ca4b7f313e1ee2c3ce0fceb5a85c564d27b4
Author: Michael Wood <michael.g.wood at intel.com>
Date:   Thu May 21 18:44:18 2015 +0100

     bitbake: toaster: Add ajax loading spinner

     This adds an ajax loading spinner to provide feedback when in-page
     loading is happening. It will show after 1.2 seconds of initial 
loading.

     [YOCTO #7790]

     Signed-off-by: Michael Wood <michael.g.wood at intel.com>