added select_related
Add invoice_date and invoice_no to Asset relaitons report
Fix and refactor TestExportRelations info factory-boy
Merge pull request #477 from quamilek/columns-in-assets-report-csv

Add invoice_date and invoice_no to Asset relaitons report
Merge pull request #466 from ar4s/improvments/reduce-sql-queries

Reduce SQL queries
Fix column order in csv report
Merge pull request #482 from quamilek/report-column-order

Fix column order in csv report
added test_save_without_changes tests to licence & support
fixed tests: update_support_by_form, update_licence_by_form
added new field segment
review fixes
Merge pull request #483 from xliiv/non-visible-fields-tests-with-develop

Non visible fields tests with develop
Merge pull request #484 from xliiv/segment-field

added new field segment
"guessing" delimiter in xls|csv import
fixed api_ralph AttributeError for category
added new rule to asset-device linking (by sn if barcode fails)
fixed blanks in xlsimport + added service and env handler to adding part
added tests for addinb obj by csv-importer, dirty version
work in progress ..
Add device_info model for AssetsResource in REST API