Fixed EP-283 -- Added Min/Max validation for avatar dimension
Refers EP-283 -- fixup
Fixed #32 -- Add line height for h1 and left/right padding for content
EP-283: Fix typo in avatar size validation message.
Merge pull request #34 from EuroPython/fix/EP-283

Fixed EP-283 -- Added Min/Max validation for avatar dimension
Update accounts testcases.
EP-283: Add format validation to avatar field.
Merge branch 'develop' into feature/ticketing
Merge branch 'develop' into feature/ticketing

Conflicts:
	pyconde/locale/de/LC_MESSAGES/django.po