Merge pull request #443 from deshipu/master

Rename and fix tests in discovery
Merge pull request #439 from quamilek/dev

Bugfix in discovery plugins - ssh_proxmox, ssh_3par, ssh_ssg
unicode to datetime
if purchase_date is unicode than convert to datetime
cmdb - changes in CILayer - part 2
cmdb - changes in CILayer - missing file added
Merge branch 'master' of git://github.com/allegro/ralph into dev
cmdb - changes in CILayer - migration added
refactoring
refactioring
hotfix if component model is unicode - no obiect
Merge pull request #444 from wmatyskiewicz/fix-marta

hotfix if component model is unicode - no object
sqlite - migration hook
Merge remote-tracking branch 'allegro/master'
http404 to message
remote empty import
add autoprice to csv with all devices
refactoring
cmdb - changes in CILayer - migration fixed
refactoring