Merge tag '0.1.1' into develop

Migrating to payum 0.12
Status working as it should. Fixing the bug in capture action.
adding bitdeli link
notification implementation
Merge branch 'feature/statusAction' into develop
Merge branch 'release/0.1.2'
Fixing redirect url for capture onsite. Adding new api method to clear null valued request params
Merge branch 'hotfix/0.1.3'