Display zuul_version in zuul status page
Display zuul_version in zuul status page

Change-Id: I81122aaae9f525ceb04a7fbb63cf3111b4770f51

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