Data table option names / padding / e2e test fix

- Corrected all data table plugin option names (probably due to using higher version now) and changed the variable name to a more suitable `_dataTableOptions`
- Applying padding using values passed into `additionalParams`
- Correcting e2e test
Merge pull request #40 from stulees/chore/table-padding

Data table option names / padding / e2e test fix