first daft to add CRUD options to the views
1) added an API call to create views on an account.
2) added some tests for the API call.
3) changed how the bank account balance is moderated by the view
1) added an API call to delete views
2) added the tests for it.
3) fixed an issue with the view permission granting / revocation.
fixed a typo
Merge branch 'views' into develop
removed duplication in the test file.
Merge branch 'develop'
added roadmap link
made the API return the full details about a view
changed the name of some fields in the JSON
Merge branch 'develop' of github.com:OpenBankProject/OBP-API into develop
Merge branch 'develop'