[#4561] ensure that the svn repo actually gets flushed during clone_from/refresh_heads
[#4561] ensure that the svn repo actually gets flushed during clone_from/refresh_heads

lym/allura-git,Bitergia/allura,apache/incubator-allura,Bitergia/allura,lym/allura-git,apache/allura,lym/allura-git,apache/allura,lym/allura-git,apache/allura,apache/allura,heiths/allura,leotrubach/sourceforge-allura,apache/incubator-allura,apache/allura,heiths/allura,Bitergia/allura,heiths/allura,heiths/allura,lym/allura-git,apache/incubator-allura,leotrubach/sourceforge-allura,heiths/allura,apache/incubator-allura,leotrubach/sourceforge-allura,Bitergia/allura,Bitergia/allura,leotrubach/sourceforge-allura