some impr that comes with payum 0.8

* TokenFactoryInterface
* return url and cancel url set in payums capture action.
fix composer lock
use ~0.8.2
add action to payments using container tag.
remove custom service files.
[CoreBundle] Remove old class reference

Fix #1548.
update composer.lock
Merge pull request #1562 from stloyd/patch-1

[CoreBundle] Remove old class reference
Merge pull request #1360 from formapro-forks/payum-08-upgrade

Some improvement that comes with payum 0.8