Make watcher use query clients
Make watcher use query clients

So far, the watcher was still issuing node queries
via the python implementation. This patche switches to
the haskell implementation.

Signed-off-by: Helga Velroyen <2d0126b1ec6f9ec5cbec4a7012aa14faeaef10f5@google.com>
Reviewed-by: Hrvoje Ribicic <be5828fca31f89218048bec4189e30a581aa65da@google.com>

mbakke/ganeti,ganeti/ganeti,leshchevds/ganeti,grnet/snf-ganeti,andir/ganeti,apyrgio/ganeti,mbakke/ganeti,andir/ganeti,yiannist/ganeti,andir/ganeti,grnet/snf-ganeti,onponomarev/ganeti,mbakke/ganeti,ganeti/ganeti,leshchevds/ganeti,yiannist/ganeti,ganeti/ganeti,ganeti-github-testing/ganeti-test-1,ganeti-github-testing/ganeti-test-1,apyrgio/ganeti,onponomarev/ganeti,leshchevds/ganeti,dimara/ganeti,bitemyapp/ganeti,dimara/ganeti,bitemyapp/ganeti,yiannist/ganeti