Display last_reconfigured in zuul status page
Display last_reconfigured in zuul status page

Change-Id: I908e20ca28ec71f765e7078e131e295fad61b09b

gooddata/zuul,devdattakulkarni/zuul_messaging,wikimedia/integration-zuul,devdattakulkarni/zuul_messaging,wikimedia/integration-zuul,wikimedia/integration-zuul,gooddata/zuul,gooddata/zuul,gooddata/zuul,wikimedia/integration-zuul,gooddata/zuul,devdattakulkarni/zuul_messaging