Ability to return contacts as array in Relationship

See merge request !84

This is useful when we want to return more data about the contact in the relashionship instead of only the name.
This change adds new option to relashionship settings to return contacts as array

Adjust error message "Did you rename or deleted the data source"

See merge request !82

CIVICRM-1696 Adjust error message "Did you rename or deleted the data source" should be "Did you rename or delete the data source"

Data Processor, default delimiter for CSV export is semi-colon, not comma

See merge request !81

Fixes a couple of typos

See merge request !80

Data Processor, inconsistent use of "e-mail" and "email", use the CiviCRM standard "email"

See merge request !79

CIVICRM-1695 Data Processor, default delimiter for CSV export is semi-colon, not comma, as per definition: Comma Separated Values (CSV)

Add missing `ENGINE=InnoDB` to the `_field` table.

See merge request !78

#87 required contact id filter throws error for anonymous users

See merge request !77

Fixed issue with filtering on multi value fields (fields which holds multiple values separated by the VALUE SEPARATOR symbol)

Fix for #86 ParseError: syntax error

See merge request !76