reduced header image height
added link to pycon website
moved the header image to index page only
added dropdown menu for accounts urls
added django-allauth
updated readme
added half baked app for board membership, moved apps to apps/
created base model under common app, commented election for now
added migrations for board models
added migration related instruction to readme
Merge pull request #21 from pythonindia/develop

Added django allauth and board member models