Fix - wrong order in  export assets into CSV

column category not displayed
Merge pull request #376 from quamilek/fix/export-asset-order-column

Fix - wrong order in  export assets into CSV
Add assigned supports to  in api_ralph, refactor test
Remove self from tests.
Sort imports in test file
Merge pull request #379 from quamilek/feature/supports-in-api-ralph

Add assigned supports to  in api_ralph
Merge remote-tracking branch 'allegro/synergy' into synergy
api_ralph - get_asset_by_sn_or_barcode method added
Merge remote-tracking branch 'allegro/synergy' into synergy
Merge pull request #389 from andrzej-jankowski/synergy

api_ralph - small changes
fix api
Merge branch 'synergy-scrooge' into feature/scrooge-api-assets
fix hostname