autoconf: fix build out of tree

so that the following works:

git clone git@github.com:ceph/ceph.git
cd ceph
./autogen.sh
mkdir ../build
cd ../build
../ceph/configure --with-radosgw
make check

Signed-off-by: Loic Dachary <loic@dachary.org>
ceph_test_rados: fix update_object_full

Update at current snap, not the last snap we did an update.

Broken this this was introduced in 996af2d8fd8e60bcdce8e9408249b974521de24e

Signed-off-by: Sage Weil <sage@inktank.com>
ceph_test_rados: improve debug output

Signed-off-by: Sage Weil <sage@inktank.com>
ceph_test_rados: update for copy_from in begin, not finish

Signed-off-by: Sage Weil <sage@inktank.com>
ceph_test_rados: remove useless snapc setup

We update this on snap create and delete; no need to do it any other
time.

Signed-off-by: Sage Weil <sage@inktank.com>
Merge pull request #654 from ceph/wip-testrados

fix some issues with ceph_test_rados

Reviewed-by: Samuel Just <sam.just@inktank.com>
doc: changed journal aio default to true.

fixes: #6389

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
Merge pull request #643 from dachary/master

autoconf: fix build out of tree

Reviewed-by: Sage Weil <sage@inktank.com>
Merge git://github.com/ceph/ceph