Add imports for stdlib modules that are used.

This is cleanup that will aid us when we get ziploader implemented for 2.1

lib/ansible/module_utils/cloudstack.py

@@ -27,6 +27,7 @@
 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 # USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+import time
 
 try:
     from cs import CloudStack, CloudStackException, read_config