move all current classes to core namespace.
fix core component tests.
[paypal ec] reorganize paypal ec component classes. remove src folder.
[paypal pro] add travis badge to repo.
[paypal express checkout] clean up test bootstrap file.
[doc][paypal] fix link to paypal express checkout get it started
release 0.7.0
master is 0.8-dev now.
[doc][security] use generic token factory in doc examples.
Release 0.8.0
master is 0.9 now
import namespaces.
Merge branch '0.8'
[paypal][action] Add NotifyAction
[paypal] Add NotifyAction to PaymentFactory.
[paypal] set return\cancel url from secured capture request. if not set
fix tests
Merge branch '0.8'
Merge pull request #124 from Payum/paypal-set-return-url-if-secured-request

[paypal] set return\cancel url from secured capture request. if not set
Merge remote-tracking branch 'origin/0.8'