upgrade to django 1.7 and switch to non-South migrations

django 1.7 doesn't support python 2.6
update out of date requirements
move to a custom user model
Merge pull request #24 from jsatt/update-requirements

Update requirements
[requires.io] dependency update
Merge pull request #26 from codesy/requires-io-master

[requires.io] dependency update on master branch
remove Profile usage from auctions app
Update requirements - requests & static
Merge pull request #27 from groovecoder/custom-user-model

Custom user model
Merge pull request #28 from groovecoder/update-requirements-2014-10-12

Update requirements - requests & static
update homepage layout