test prints
Merge branch 'eso-speedup' of https://github.com/SanomaCZ/ella-hub into eso-speedup

Conflicts:
	ella_hub/utils/perms.py
refactor
Merge branch 'eso-speedup' of https://github.com/SanomaCZ/ella-hub into eso-speedup

Conflicts:
	ella_hub/utils/perms.py
Merge branch 'eso-speedup' of https://github.com/SanomaCZ/ella-hub into eso-speedup
Authorization switched to tastypie's DjangoAuthorization
some more auth checks added to read_list and read_detail methods
cleaning