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Remove software model/model group from search by component to better performance
Merge pull request #422 from andrzej-jankowski/master

CI view - new tabs
Merge pull request #424 from deshipu/master

clear priorities in catalog, return 404 instead of localboot, fix menus in pricing groups, fix pricing tests
Merge pull request #423 from quamilek/dev

Remove software model/model group from search by component to better performance
Remove snmp_community field from device history_page
Not logging changes to `snmp_community` field in `IPAddress` model
Merge pull request #428 from quamilek/dev

Remove snmp_community field from device history_page and not logging this field
Merge github.com:allegro/ralph
Add unit tests for dhcp configuration