- Strip white space from cell values when loading into DataStore.

- Fixed white space stripping for `load_table`.

- Fixed white space stripping for `load_table`.

- Condition stripping on `str` type.

- Align test with new strip code.
- Write headers to stream for `load_csv`.

- Extended tabulator stream iterator to strip white space from cell values.

- Added `strip_extra_white` info field and form fields.
- Added validator for `strip_extra_white`.
- Used `strip_extra_white` to control stripping white space.

- Added `strip_extra_white` field and form fields.
- Used `strip_extra_white` to control stripping white space.

- Minor logic fixes for the new `strip_extra_white` field.

- Updated various tests.
- Added more gettext.

# Conflicts:
#	ckanext/xloader/loader.py
### RESOLVED.

- Updated post parser to set empty string type cells to `None` for parody with `load_csv`.
- Updated some tests for new code.
- Added check for ckan version `2.11` for the data dictionary form.
- Updated conditions in `load_csv`.

- Fixed test for new output with `strip_extra_white`.
- Fixed CKAN version pardoy of `info` vs `_info` in `update_datastore_info_field` (upstream issue).

- DS fields for ckan versions.

- DS fields for ckan versions.

- Support current versions of CKAN for the DataDictionary form override for `strip_extra_white`.
- Support current versions of CKAN for existing info before existing data dictionary custom fields.

- Added test coverage for no strip white extra space.