fix
Fixes IntegerField -> BigIntegerField issue of zabbix integration
type field in model object is PositiveIntegerField - it couldn't work
Merge branch 'develop' of https://github.com/allegro/ralph into develop
Fix for KeyError in search and test
Migration for CMDB Zabbix integration
Merge pull request #748 from andrzej-jankowski/search_fix

UI fixes
Merge pull request #750 from vi4m/develop

Fixes #726 - Zabbix CMDB Integration