Tag brands as categories
Add warning message in back office if module is not configure for all shop and lang combos
Add support for prefixing and postfixing the token name when looking for it in api request response.

This is done because the "create account" and "connect with nosto" requests returns the same tokens with different identifiers.
Disable protected cache variable call
Remove unused method
Fix config purge
Merge pull request #25 from Nosto/feature/tag-brand-pages

Tag brands as categories
Merge branch 'develop' into feature/config-notifications
Added a dummy call in the constructor to force the message to appear.
Merge pull request #26 from Nosto/feature/config-notifications

Add warning message in back office if module is not configure for all sh...
config fix
Merge branch 'develop' of github.com:Nosto/nosto-prestashop-module into develop
Make oauth controller redirect to module admin page with active language id
Merge branch 'develop' into feature/ui-improvements