Added profile page and form.
Merge branch 'devel' of https://github.com/matiasb/fenics into user-profile

Conflicts:
	ega/forms.py
	ega/views.py
User profile.
Merge branch 'devel' of https://github.com/matiasb/fenics into user-profile
Tweaks.
Merge branch 'devel' of https://github.com/matiasb/fenics into user-profile
Less changes against devel.
Removed TODO comment.
Added help text for avatar.
Merge pull request #22 from nessita/user-profile

Added user profile page, and included avatar in EgaUser model.