Correctly distinguish between Dell and Juniper devices

Unfortunately there's not much info we can get from the Dell iDrac
HTML page as it's ridden with JavaScript.
No need to add the server family explicitly
Report Devices prices per Venture
Merge branch 'master' of git://github.com/allegro/ralph into reports

Conflicts:
	src/ralph/ui/views/reports.py
Merge branch 'master' of git://github.com/allegro/ralph into reports

Conflicts:
	src/ralph/ui/views/reports.py
Merge branch 'master' of git://github.com/allegro/ralph into reports
fix total price
Merge branch 'master' of git://github.com/allegro/ralph into reports
change class name
export all device price with components
export all device price with components
fix bad merge
Add an option to ignore network's addresses
Merge github.com:allegro/ralph
Wrong columns name list and  sortable parameters in header in CMDB search page
Adding filtering devices by DC name in resources API
Merge github.com:allegro/ralph
Merge pull request #386 from quamilek/dev

Wrong columns name list and sortable parameters in header in CMDB search page
Merge pull request #387 from quamilek/dev_api

Adding filtering devices by DC name in resources API
PEP 8