Add config.cache to the list of files to ignore
Add config.cache to the list of files to ignore

Change-Id: Ic4a0ba2408fce2cb76e56d6e69f33fed818ed7bc
Reviewed-on: http://review.couchbase.org/8721
Tested-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>
Reviewed-by: Chiyoung Seo <8b279095f11c26cc21045fda5a3e51debb005aa9@gmail.com>

daverigby/kv_engine,daverigby/ep-engine,teligent-ru/ep-engine,couchbase/ep-engine,sriganes/ep-engine,teligent-ru/ep-engine,membase/ep-engine,sriganes/ep-engine,membase/ep-engine,jimwwalker/ep-engine,couchbaselabs/ep-engine,abhinavdangeti/ep-engine,sriganes/ep-engine,couchbase/ep-engine,daverigby/ep-engine,sriganes/ep-engine,abhinavdangeti/ep-engine,hisundar/ep-engine,membase/ep-engine,hisundar/ep-engine,daverigby/kv_engine,jimwwalker/ep-engine,owendCB/ep-engine,teligent-ru/ep-engine,owendCB/ep-engine,couchbaselabs/ep-engine,couchbase/ep-engine,jimwwalker/ep-engine,couchbaselabs/ep-engine,abhinavdangeti/ep-engine,abhinavdangeti/ep-engine,daverigby/ep-engine,hisundar/ep-engine,owendCB/ep-engine,hisundar/ep-engine,daverigby/kv_engine,couchbaselabs/ep-engine,owendCB/ep-engine,couchbaselabs/ep-engine,couchbase/ep-engine,abhinavdangeti/ep-engine,jimwwalker/ep-engine,membase/ep-engine,teligent-ru/ep-engine,daverigby/ep-engine,daverigby/kv_engine