Updating the search function to handle articles and removing the ie8 specific code as we no longer support ie8. Also re-organizing how the caching is handled to eliminate code.
Updating the search function to handle articles and removing the ie8 specific code as we no longer support ie8. Also re-organizing how the caching is handled to eliminate code.

redhataccess/redhat_access_angular_ui_common,redhataccess/redhat_access_angular_ui_common