Add turbo-hipster to gearman-launchers
Add turbo-hipster to gearman-launchers

Add a mention of Turbo-Hipster to the launcher documentation.

Change-Id: I3ffac81b6666af18fb57b97ae24ffe689e909959

gooddata/zuul,wikimedia/integration-zuul,gooddata/zuul,wikimedia/integration-zuul,wikimedia/integration-zuul,wikimedia/integration-zuul,gooddata/zuul,gooddata/zuul,gooddata/zuul