add associations to house, user and chores models
Merge pull request #7 from purple-martins-2013/associations

add associations to house, user and chores models
stop tracking coverage directory in Git
Merge branch 'master' of https://github.com/purple-martins-2013/live-together into chore-controller
add views for chores
Merge pull request #8 from purple-martins-2013/shore-views

add views for chores
Merge branch 'master' of https://github.com/purple-martins-2013/live-together into chore-controller
create for mvp -no user or house associations