Add 'unauth' to IdAPI
add omniture tracking for identity signin
alter the name of the omniture event variable to be a better description
TMP to rebase

First draft of signout auth call.
Merge branch 'identity-signin-omniture' into identity-omniture-enhancements
Failing tests: To check

Correct HTTP methods in IdApi, logging for signout controller
Merge remote-tracking branch 'origin/master' into identity-omniture-enhancements
add missing omniture data for IDN-1556
change name of key for omnitur error message
Merge remote-tracking branch 'origin/master' into identity-omniture-enhancements
Mention the ophan host & key
fixed erroneous key for omniture error message
Add authed ajax
Listed for 403 responses
Merge branch 'master' into facia-tool-detect-logout
merged master
Fixed merge in idapi from merging master
Merge remote-tracking branch 'origin/master' into identity-omniture-enhancements
Merge branch 'master' into facia-tool-detect-logout
Add method to override what happens on auth failure
Add AjaxExpiringAuthentication to return 403 for failed AJAX responses instead of a redirect to a HTML page