Fix mistaken field mapping for index

Attribute "indexed" on field mappings is ignored. Correct name is "index."
Fix spanish translation
Extracting logic to a method in UserManipulator
Create validators.ca.yml
Merge pull request #1262 from avinsol/master

Created validators.ca.yml
Closes #1261
Merge pull request #1246 from xexu/master

Fix spanish translation
Merge pull request #1240 from bangpound/couchdb-field-index

Fix mistaken field mapping for index
Merge pull request #1247 from Cydonia8/master

Extracting logic to a method in UserManipulator
Update FOSUserBundle.ca.yml

Added Bad credentials tag (missing in FOSUserBundle.ca.yml)
Merge pull request #1263 from avinsol/patch-1

Update FOSUserBundle.ca.yml