Add composer replace section
Add branch alias
tweak the composer setup for travis
Correct memory_limit settings
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.
Merge pull request #1534 from abimus/feature/composer-replace

Create composer replace section
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
[CartBundle] Fixed event used in CartListener and added specs

The dispatched event is CartItemEvent instead of CartEvent, it uses the getItem method only available in CartItemEvent
Merge pull request #1360 from formapro-forks/payum-08-upgrade

Some improvement that comes with payum 0.8
Fix - CMF Page doesn't work (missing template)
[ResourceBundle] Reduce dependency on Twig extension
Merge pull request #1576 from stloyd/feature/reduce_twig_deps

[ResourceBundle] Try to reduce dependencies in Twig extension
[CoreBundle] Use REST handling in ProductController
Creating unnamed form for api request and PATH support