added a scrum landing page
refactor scrum base html and sprint end date form
reworked sprint end form. really needs to go
stub for scrum workflow landing pagee
more scrum workflow pages
added backlog search and tweaked templatesw
added south support. make sure to run manage.py migrate --fake on prod and dev environments
Merge pull request #8 from conwayb/scrum_workflow

South support and some more scrum workflow stuff