re #86 forbid the textarea resize
re #86 add languages tabs in the seller properties template
re #86 create the view for the settings of the seller
re #86 add the seller services
re #86 create unit tests of the get_sellers_by_id method
re #86 delete one useless inclusion in the seller model
re #86 break too long lines and add comments on the textarea
re #86 delete blank line in the seller tests
Merge pull request #112 from jean553/fix_86

Fix 86 - Seller settings page