adapted import for parent relation; added fields api for account-contacts
get external id by row
bugfix: showing id in accountcontacts fields
Implemented contact position as relation
Removed redundant position field from the contact entity
merged with bugfix/import; added radio buttons to account-contacts
bugfix: search for relation only if contact and account have an id
Merge branch 'bugfix/import' of git://github.com/sulu-cmf/SuluContactBundle into feature/content-filters
Improved code
update list
fixed import tests
Fixed ImportTest
Merge branch 'bugfix/import' of git://github.com/sulu-cmf/SuluContactBundle into feature/accountposition
Merge pull request #110 from sulu-cmf/bugfix/import

[BUGFIX] import: parental relations
Merge branch 'develop' of git://github.com/sulu-cmf/SuluContactBundle into feature/content-filters
extended patch function to save maincontact
removed debug variable
cleanup
Merge pull request #115 from sulu-cmf/feature/content-filters

[Feature] content filters
Fixed tests