Allow to specify defaults for filters via URL params

See merge request !46

Fix use of retrieve so we don't get undefined methods if parameters are not defined.

See merge request !47

Fix missing function on export contacts when ID field is hidden

See merge request !48

Fix PHP notices on saving export to CSV

See merge request !49

Fix saving of dashlet URL for non-drupal CMS

See merge request !50

Fix title on delete dataprocessor

See merge request !51

Remove deprecated function to get settings. Regenerate civix

See merge request !53

Fix export all contacts from search

See merge request !45

Fix PHP notices and typos

See merge request !44

'this' does not exist here and selecting export all contacts from actions dropdown causes a crash with undefined CRM_Contact_Selector_DataProcessorContactSearch::get()

Renamed Case Role filter to Contact has role on case and added option to search for case without a role set.