Total Time > Total Delta

[Jedrzej Nowak]

Total Delta: 13.6857147217
Total Time: 464.781021833

```
from solar.core.resource import composer as cr

def run(num):
    node = cr.create('nodes', 'templates/nodes', {'count': 1})['node1']

    elem = node
    for x in xrange(num):
        noop = cr.create('noop%d' % x, 'resources/noop', {'num': x})[0]
        elem.connect(noop)
        elem = noop

if __name__ == '__main__':
    import sys
    run(int(sys.argv[1]))
```
run it with python script.py 50

then normal solar things, and solar o run-once last, then solar o restart last, and each restart will make Total time higher.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/289396

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/289396
Committed: https://git.openstack.org/cgit/openstack/solar/commit/?id=c281237a8fea533b5babe7420888fe05182c8af2
Submitter: Jenkins
Branch: master

commit c281237a8fea533b5babe7420888fe05182c8af2
Author: Maciej Kwiek <email address hidden>
Date: Mon Mar 7 16:30:08 2016 +0100

    Reset times in tasks on graph reset

    It will stop pollution of subsequent orchestrations with time values
    from previous runs.

    Change-Id: I2b0e495f84768aee3545f33e388c9bfb20d76fa4
    Closes-bug: 1554058